Roll chromium_revision 10bf0e1..53970fd (365000:365141)

Change log: https://chromium.googlesource.com/chromium/src/+log/10bf0e1..53970fd
Full diff: https://chromium.googlesource.com/chromium/src/+/10bf0e1..53970fd

Changed dependencies:
* src/tools/gyp: https://chromium.googlesource.com/external/gyp.git/+log/70ee80e..b85ad3e
DEPS diff: https://chromium.googlesource.com/chromium/src/+/10bf0e1..53970fd/DEPS

No update to Clang.

TBR=

Review URL: https://codereview.webrtc.org/1522153004

Cr-Commit-Position: refs/heads/master@{#11018}
diff --git a/DEPS b/DEPS
index 3ac927e..85d4451 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '10bf0e18d6dd4492a3fe97ac56d69f7a53a8acf7',
+  'chromium_revision': '53970fd73572a0ca98a89820bb98b7ad3f583ca3',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than