iOS closes an app’s network connections when the app is backgrounded. This can cause an in-progress upload request to fail. We can mitigate this by requesting additional background execution time using the `UIApplication` background task APIs.

BUG=b:130302235

Change-Id: Ifd8e14ca82c736ad7dd60dcdd0d4bbcabb76f5ad
Signed-off-by: Darren Mo <darrenmo@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2251020
Reviewed-by: Mark Mentovai <mark@chromium.org>

Bug: chromium:1221591
Change-Id: I52968a535f126b854f8e860b9632ffe00c55b6be
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2973213
Reviewed-by: Lei Zhang <thestig@chromium.org>

Bug: chromium:1066980
Change-Id: Iddd276bb884076591399433c6191425b3a131d0d
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2995406
Reviewed-by: Mike Frysinger <vapier@chromium.org>

To make it easier to add flags when adding new options in SymbolData.

Example:
I want to add a flag to disable inline record for https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2915828.
Change-Id: Ifc5da27c01efa0b0bc21cfcf769d4e6d604a63c6
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2984198
Reviewed-by: Joshua Peraza <jperaza@chromium.org>

Section 7.26 of the DWARF 5 spec describes a header of
either 8 or 16 bytes before the offsets begin.

Bug: b/187205051
Change-Id: I1ba01008dcd7a533f59d3865762ca09b9d43032b
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3016609
Reviewed-by: Sterling Augustine <saugustine@google.com>

Bug: chromium:1066980
Change-Id: Id4bc2b08180963bc6ef61df6548341c8198d4c5e
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3036985
Reviewed-by: Joshua Peraza <jperaza@chromium.org>

This adds the support to process INLINE and INLINE_ORIGIN records in
symbol files and to generate inlined frames using those records if
possible.

Bug: 1190878
Change-Id: Ia0b6d56c9de37cf818d9bb6842d58c9b68f235b2
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3024690
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>

Bug: chromium:1203071
Change-Id: I749fcfe30f9d634acb314a43f9c9ffcdbb26195c
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3053832
Reviewed-by: Sterling Augustine <saugustine@google.com>