[PCCT-SideSheet] Set the extra flags name correctly

Removes unnecessary prefix from flag names.

(cherry picked from commit 28fa3fe)

Bug: 1427215
Change-Id: I3227464bab2584510f8ab2616fa3e88db1302b57
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4369074
Commit-Queue: Jinsuk Kim <jinsukkim@chromium.org>
Code-Coverage: Findit <findit-for-me@appspot.gserviceaccount.com>
Reviewed-by: Kevin Grosu <kgrosu@google.com>
Reviewed-by: Theresa Sullivan <twellington@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1121861}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4374832
Cr-Commit-Position: refs/branch-heads/5672@{#55}
Cr-Branched-From: 5f2a724-refs/heads/main@{#1121455}

chrome/android/java/src/org/chromium/chrome/browser/customtabs/CustomTabIntentDataProvider.java

@@ -112,14 +112,14 @@ public class CustomTabIntentDataProvider extends BrowserServicesIntentDataProvid
      * layout.
      */
     public static final String EXTRA_ACTIVITY_SIDE_SHEET_POSITION =
-            "androidx.browser.customtabs.extra.EXTRA_ACTIVITY_SIDE_SHEET_POSITION";
+            "androidx.browser.customtabs.extra.ACTIVITY_SIDE_SHEET_POSITION";
 
     /**
      * Extra that defines the behavior of the opening animation of the side sheet.
      * It is set to {@link #ACTIVITY_SIDE_SHEET_SLIDE_IN_FROM_SIDE} by default.
      */
     public static final String EXTRA_ACTIVITY_SIDE_SHEET_SLIDE_IN_BEHAVIOR =
-            "androidx.browser.customtabs.extra.EXTRA_ACTIVITY_SIDE_SHEET_SLIDE_IN_BEHAVIOR";
+            "androidx.browser.customtabs.extra.ACTIVITY_SIDE_SHEET_SLIDE_IN_BEHAVIOR";
 
     /**
      * Extra used to keep the caller alive. Its value is an Intent.
@@ -260,7 +260,7 @@ public class CustomTabIntentDataProvider extends BrowserServicesIntentDataProvid
 
     /** Extra that enables the maximization button on the side sheet Custom Tab toolbar. */
     public static final String EXTRA_ACTIVITY_SIDE_SHEET_ENABLE_MAXIMIZATION =
-            "androix.browser.customtabs.extra.EXTRA_ACTIVITY_SIDE_SHEET_ENABLE_MAXIMIZATION";
+            "androix.browser.customtabs.extra.ACTIVITY_SIDE_SHEET_ENABLE_MAXIMIZATION";
 
     /**
      * Extra that, if set in combination with

chrome/browser/android/examples/custom_tabs_client/src/java/org/chromium/customtabsclient/MainActivity.java

@@ -94,7 +94,7 @@ public class MainActivity
 
     /** Extra that enables the maximization button on the side sheet Custom Tab toolbar. */
     public static final String EXTRA_ACTIVITY_SIDE_SHEET_ENABLE_MAXIMIZATION =
-            "androix.browser.customtabs.extra.EXTRA_ACTIVITY_SIDE_SHEET_ENABLE_MAXIMIZATION";
+            "androix.browser.customtabs.extra.ACTIVITY_SIDE_SHEET_ENABLE_MAXIMIZATION";
 
     /**
      * Minimal height the bottom sheet CCT should show is half of the display height.
@@ -152,14 +152,14 @@ public class MainActivity
     public static final int ACTIVITY_SIDE_SHEET_POSITION_END = 2;
 
     public static final String EXTRA_ACTIVITY_SIDE_SHEET_POSITION =
-            "androidx.browser.customtabs.extra.EXTRA_ACTIVITY_SIDE_SHEET_POSITION";
+            "androidx.browser.customtabs.extra.ACTIVITY_SIDE_SHEET_POSITION";
 
     public static final int ACTIVITY_SIDE_SHEET_SLIDE_IN_DEFAULT = 0;
     public static final int ACTIVITY_SIDE_SHEET_SLIDE_IN_FROM_BOTTOM = 1;
     public static final int ACTIVITY_SIDE_SHEET_SLIDE_IN_FROM_SIDE = 2;
 
     public static final String EXTRA_ACTIVITY_SIDE_SHEET_SLIDE_IN_BEHAVIOR =
-            "androidx.browser.customtabs.extra.EXTRA_ACTIVITY_SIDE_SHEET_SLIDE_IN_BEHAVIOR";
+            "androidx.browser.customtabs.extra.ACTIVITY_SIDE_SHEET_SLIDE_IN_BEHAVIOR";
 
     /**
      * Once per second, asks the framework for the process importance, and logs any change.