Implement debouncing

browser/about_flags.cc

@@ -17,6 +17,7 @@
 #include "brave/components/brave_talk/features.h"
 #include "brave/components/brave_vpn/buildflags/buildflags.h"
 #include "brave/components/brave_wallet/common/buildflags/buildflags.h"
+#include "brave/components/debounce/common/features.h"
 #include "brave/components/decentralized_dns/buildflags/buildflags.h"
 #include "brave/components/ipfs/buildflags/buildflags.h"
 #include "brave/components/ntp_background_images/browser/features.h"
@@ -56,6 +57,7 @@ using brave_shields::features::kBraveAdblockDefault1pBlocking;
 using brave_shields::features::kBraveDarkModeBlock;
 using brave_shields::features::kBraveDomainBlock;
 using brave_shields::features::kBraveExtensionNetworkBlocking;
+using debounce::features::kBraveDebounce;
 using ntp_background_images::features::kBraveNTPBrandedWallpaper;
 using ntp_background_images::features::kBraveNTPBrandedWallpaperDemo;
 using ntp_background_images::features::kBraveNTPSuperReferralWallpaper;
@@ -105,6 +107,10 @@ constexpr char kBraveDomainBlockName[] = "Enable domain blocking";
 constexpr char kBraveDomainBlockDescription[] =
     "Enable support for blocking domains with an interstitial page";
 
+constexpr char kBraveDebounceName[] = "Enable debouncing";
+constexpr char kBraveDebounceDescription[] =
+    "Enable support for skipping top-level redirect tracking URLs";
+
 constexpr char kBraveExtensionNetworkBlockingName[] =
     "Enable extension network blocking";
 constexpr char kBraveExtensionNetworkBlockingDescription[] =
@@ -333,6 +339,10 @@ constexpr char kUseDevUpdaterUrlDescription[] =
      flag_descriptions::kBraveDomainBlockName,                              \
      flag_descriptions::kBraveDomainBlockDescription, kOsAll,               \
      FEATURE_VALUE_TYPE(kBraveDomainBlock)},                                \
+    {"brave-debounce",                                                      \
+        flag_descriptions::kBraveDebounceName,                              \
+        flag_descriptions::kBraveDebounceDescription, kOsAll,               \
+        FEATURE_VALUE_TYPE(kBraveDebounce)},                                \
     {"brave-extension-network-blocking",                                    \
      flag_descriptions::kBraveExtensionNetworkBlockingName,                 \
      flag_descriptions::kBraveExtensionNetworkBlockingDescription, kOsAll,  \

browser/brave_browser_process.h

@@ -47,6 +47,10 @@ class GreaselionDownloadService;
 #endif
 }  // namespace greaselion
 
+namespace debounce {
+class DebounceComponentInstaller;
+}  // namespace debounce
+
 namespace ntp_background_images {
 class NTPBackgroundImagesService;
 }  // namespace ntp_background_images
@@ -85,6 +89,8 @@ class BraveBrowserProcess {
   virtual greaselion::GreaselionDownloadService*
   greaselion_download_service() = 0;
 #endif
+  virtual debounce::DebounceComponentInstaller*
+  debounce_component_installer() = 0;
   virtual brave_shields::HTTPSEverywhereService* https_everywhere_service() = 0;
   virtual brave_component_updater::LocalDataFilesService*
   local_data_files_service() = 0;

browser/brave_browser_process_impl.cc

@@ -31,6 +31,8 @@
 #include "brave/components/brave_shields/browser/ad_block_subscription_service_manager.h"
 #include "brave/components/brave_shields/browser/https_everywhere_service.h"
 #include "brave/components/brave_sync/network_time_helper.h"
+#include "brave/components/debounce/browser/debounce_component_installer.h"
+#include "brave/components/debounce/common/features.h"
 #include "brave/components/ntp_background_images/browser/features.h"
 #include "brave/components/ntp_background_images/browser/ntp_background_images_service.h"
 #include "brave/components/p3a/brave_p3a_service.h"
@@ -49,8 +51,8 @@
 #include "services/network/public/cpp/shared_url_loader_factory.h"
 
 #if BUILDFLAG(ENABLE_SYSTEM_NOTIFICATIONS)
-#include "chrome/browser/notifications/notification_platform_bridge.h"
 #include "brave/browser/notifications/brave_notification_platform_bridge.h"
+#include "chrome/browser/notifications/notification_platform_bridge.h"
 #endif
 
 #if BUILDFLAG(ENABLE_BRAVE_REFERRALS)
@@ -88,8 +90,8 @@
 #endif
 
 using brave_component_updater::BraveComponent;
-using ntp_background_images::features::kBraveNTPBrandedWallpaper;
 using ntp_background_images::NTPBackgroundImagesService;
+using ntp_background_images::features::kBraveNTPBrandedWallpaper;
 
 namespace {
 
@@ -137,8 +139,8 @@ void BraveBrowserProcessImpl::Init() {
   content::ChildProcessSecurityPolicy::GetInstance()->RegisterWebSafeScheme(
       ipfs::kIPNSScheme);
 #endif
-  brave_component_updater::BraveOnDemandUpdater::GetInstance()->
-      RegisterOnDemandUpdateCallback(
+  brave_component_updater::BraveOnDemandUpdater::GetInstance()
+      ->RegisterOnDemandUpdateCallback(
           base::BindRepeating(&component_updater::BraveOnDemandUpdate));
   UpdateBraveDarkMode();
   pref_change_registrar_.Add(
@@ -186,14 +188,15 @@ void BraveBrowserProcessImpl::StartBraveServices() {
 #if BUILDFLAG(ENABLE_GREASELION)
   greaselion_download_service();
 #endif
+  debounce_component_installer();
 #if BUILDFLAG(ENABLE_SPEEDREADER)
   speedreader_rewriter_service();
 #endif
   // Now start the local data files service, which calls all observers.
   local_data_files_service()->Start();
 
-  brave_sync::NetworkTimeHelper::GetInstance()
-    ->SetNetworkTimeTracker(g_browser_process->network_time_tracker());
+  brave_sync::NetworkTimeHelper::GetInstance()->SetNetworkTimeTracker(
+      g_browser_process->network_time_tracker());
 }
 
 brave_shields::AdBlockService* BraveBrowserProcessImpl::ad_block_service() {
@@ -257,6 +260,18 @@ BraveBrowserProcessImpl::greaselion_download_service() {
 }
 #endif
 
+debounce::DebounceComponentInstaller*
+BraveBrowserProcessImpl::debounce_component_installer() {
+  if (!base::FeatureList::IsEnabled(debounce::features::kBraveDebounce))
+    return nullptr;
+  if (!debounce_component_installer_) {
+    debounce_component_installer_ =
+        std::make_unique<debounce::DebounceComponentInstaller>(
+            local_data_files_service());
+  }
+  return debounce_component_installer_.get();
+}
+
 brave_shields::HTTPSEverywhereService*
 BraveBrowserProcessImpl::https_everywhere_service() {
   if (!https_everywhere_service_)
@@ -285,8 +300,7 @@ void BraveBrowserProcessImpl::OnBraveDarkModeChanged() {
 }
 
 #if BUILDFLAG(ENABLE_TOR)
-tor::BraveTorClientUpdater*
-BraveBrowserProcessImpl::tor_client_updater() {
+tor::BraveTorClientUpdater* BraveBrowserProcessImpl::tor_client_updater() {
   if (tor_client_updater_)
     return tor_client_updater_.get();
 
@@ -302,7 +316,8 @@ void BraveBrowserProcessImpl::OnTorEnabledChanged() {
   // Update all browsers' tor command status.
   for (Browser* browser : *BrowserList::GetInstance()) {
     static_cast<chrome::BraveBrowserCommandController*>(
-        browser->command_controller())->UpdateCommandForTor();
+        browser->command_controller())
+        ->UpdateCommandForTor();
   }
 }
 #endif
@@ -400,8 +415,7 @@ BraveBrowserProcessImpl::speedreader_rewriter_service() {
 #endif  // BUILDFLAG(ENABLE_SPEEDREADER)
 
 #if BUILDFLAG(ENABLE_IPFS)
-ipfs::BraveIpfsClientUpdater*
-BraveBrowserProcessImpl::ipfs_client_updater() {
+ipfs::BraveIpfsClientUpdater* BraveBrowserProcessImpl::ipfs_client_updater() {
   if (ipfs_client_updater_)
     return ipfs_client_updater_.get();
 

browser/brave_browser_process_impl.h

@@ -50,6 +50,10 @@ class GreaselionDownloadService;
 #endif
 }  // namespace greaselion
 
+namespace debounce {
+class DebounceComponentInstaller;
+}  // namespace debounce
+
 namespace ntp_background_images {
 class NTPBackgroundImagesService;
 }  // namespace ntp_background_images
@@ -96,6 +100,7 @@ class BraveBrowserProcessImpl : public BraveBrowserProcess,
 #if BUILDFLAG(ENABLE_GREASELION)
   greaselion::GreaselionDownloadService* greaselion_download_service() override;
 #endif
+  debounce::DebounceComponentInstaller* debounce_component_installer() override;
   brave_shields::HTTPSEverywhereService* https_everywhere_service() override;
   brave_component_updater::LocalDataFilesService* local_data_files_service()
       override;
@@ -149,6 +154,8 @@ class BraveBrowserProcessImpl : public BraveBrowserProcess,
   std::unique_ptr<greaselion::GreaselionDownloadService>
       greaselion_download_service_;
 #endif
+  std::unique_ptr<debounce::DebounceComponentInstaller>
+      debounce_component_installer_;
   std::unique_ptr<brave_shields::HTTPSEverywhereService>
       https_everywhere_service_;
   std::unique_ptr<brave_stats::BraveStatsUpdater> brave_stats_updater_;

browser/brave_content_browser_client.cc

@@ -18,6 +18,7 @@
 #include "brave/browser/brave_browser_main_extra_parts.h"
 #include "brave/browser/brave_browser_process.h"
 #include "brave/browser/brave_shields/brave_shields_web_contents_observer.h"
+#include "brave/browser/debounce/debounce_service_factory.h"
 #include "brave/browser/ethereum_remote_client/buildflags/buildflags.h"
 #include "brave/browser/net/brave_proxying_url_loader_factory.h"
 #include "brave/browser/net/brave_proxying_web_socket.h"
@@ -43,6 +44,7 @@
 #include "brave/components/brave_webtorrent/browser/buildflags/buildflags.h"
 #include "brave/components/cosmetic_filters/browser/cosmetic_filters_resources.h"
 #include "brave/components/cosmetic_filters/common/cosmetic_filters.mojom.h"
+#include "brave/components/debounce/browser/debounce_throttle.h"
 #include "brave/components/decentralized_dns/buildflags/buildflags.h"
 #include "brave/components/ftx/browser/buildflags/buildflags.h"
 #include "brave/components/gemini/browser/buildflags/buildflags.h"
@@ -528,6 +530,16 @@ BraveContentBrowserClient::CreateURLLoaderThrottles(
     }
   }
 #endif  // ENABLE_SPEEDREADER
+
+  auto* settings_map = HostContentSettingsMapFactory::GetForProfile(
+      Profile::FromBrowserContext(browser_context));
+  if (std::unique_ptr<blink::URLLoaderThrottle> debounce_throttle =
+          debounce::DebounceThrottle::MaybeCreateThrottleFor(
+              debounce::DebounceServiceFactory::GetForBrowserContext(
+                  browser_context),
+              settings_map))
+    result.push_back(std::move(debounce_throttle));
+
   return result;
 }
 

browser/browser_context_keyed_service_factories.cc

@@ -9,6 +9,7 @@
 #include "brave/browser/brave_rewards/rewards_service_factory.h"
 #include "brave/browser/brave_shields/ad_block_pref_service_factory.h"
 #include "brave/browser/brave_shields/cookie_pref_service_factory.h"
+#include "brave/browser/debounce/debounce_service_factory.h"
 #include "brave/browser/ethereum_remote_client/buildflags/buildflags.h"
 #include "brave/browser/ntp_background_images/view_counter_service_factory.h"
 #include "brave/browser/permissions/permission_lifetime_manager_factory.h"
@@ -61,6 +62,7 @@ void EnsureBrowserContextKeyedServiceFactoriesBuilt() {
   brave_rewards::RewardsServiceFactory::GetInstance();
   brave_shields::AdBlockPrefServiceFactory::GetInstance();
   brave_shields::CookiePrefServiceFactory::GetInstance();
+  debounce::DebounceServiceFactory::GetInstance();
 #if BUILDFLAG(ENABLE_GREASELION)
   greaselion::GreaselionServiceFactory::GetInstance();
 #endif