Roll chromium_revision 21e78fbe27..e0c00467d6 (500243:501048)

Change log: https://chromium.googlesource.com/chromium/src/+log/21e78fbe27..e0c00467d6
Full diff: https://chromium.googlesource.com/chromium/src/+/21e78fbe27..e0c00467d6

Changed dependencies:
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/bdaf4d9893..7b6dbc8d1f
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/92ccaf1432..d78169a36f
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/436ef979f7..32847e75d6
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/dcfc1809e9..52eccfe830
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/36421e57a8..726415ed49
* src/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/c9667ecd29..99ec818780
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/5d14bcccf1..f3bc46f72e
* src/tools/swarming_client: https://chromium.googlesource.com/infra/luci/client-py.git/+log/72b6a2dc60..5e8001d9a7
DEPS diff: https://chromium.googlesource.com/chromium/src/+/21e78fbe27..e0c00467d6/DEPS

Clang version changed 310694:312679
Details: https://chromium.googlesource.com/chromium/src/+/21e78fbe27..e0c00467d6/tools/clang/scripts/update.py

TBR=kjellander@chromium.org
BUG=libyuv:727, chromium:763354

Change-Id: I3d2974de13d5a2c680f324790501661933eedcbe
Reviewed-on: https://chromium-review.googlesource.com/661497Reviewed-by: Frank Barchard <fbarchard@google.com>

DEPS

 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '21e78fbe27c34227e4c4fb7c627907506639b6f5',
-  'swarming_revision': '72b6a2dc604673b84794937cb3da3fd755ccc4cd',
+  'chromium_revision': 'e0c00467d673f5f21d2d87cb0df06a8efcfcf13e',
+  'swarming_revision': '5e8001d9a710121ce7a68efd0804430a34b4f9e4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling lss
   # and whatever else without interference from each other.
@@ -9,18 +9,18 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.
-  'catapult_revision': 'c9667ecd29cbb003b7fbdcd6f2da0f02bf0e7257',
+  'catapult_revision': '99ec8187805e3ab807dac86c1ef0a1b07be9d1a6',
 }
 
 deps = {
   'src/build':
-    Var('chromium_git') + '/chromium/src/build' + '@' + '92ccaf1432c198e262a7f5d6b801b77879a4a46c',
+    Var('chromium_git') + '/chromium/src/build' + '@' + 'd78169a36fae088dc0ac8ac805d668b093878d63',
   'src/buildtools':
     Var('chromium_git') + '/chromium/buildtools.git' + '@' + 'cbc33b9c0a9d1bb913895a4319a742c504a2d541',
   'src/testing':
-    Var('chromium_git') + '/chromium/src/testing' + '@' + 'dcfc1809e921b1d687e5bf4efe5b9f586b32728f',
+    Var('chromium_git') + '/chromium/src/testing' + '@' + '52eccfe83011b6f1d28bac33aae7865f2c9b7739',
   'src/third_party':
-    Var('chromium_git') + '/chromium/src/third_party' + '@' + '36421e57a859c83a403e7d5b5d4c0d33b033ea39',
+    Var('chromium_git') + '/chromium/src/third_party' + '@' + '726415ed492e29f8080d6be216a69b7b286e0836',
   'src/third_party/catapult':
    Var('chromium_git') + '/external/github.com/catapult-project/catapult.git' + '@' + Var('catapult_revision'),
   'src/third_party/colorama/src':
@@ -32,7 +32,7 @@ deps = {
   'src/third_party/yasm/source/patched-yasm':
     Var('chromium_git') + '/chromium/deps/yasm/patched-yasm.git' + '@' + 'b98114e18d8b9b84586b10d24353ab8616d4c5fc',
   'src/tools':
-    Var('chromium_git') + '/chromium/src/tools' + '@' + '5d14bcccf197878a8995e1966cadd3d1d33c6eb3',
+    Var('chromium_git') + '/chromium/src/tools' + '@' + 'f3bc46f72e389006cd93987c5aa13592835fcad8',
   'src/tools/gyp':
     Var('chromium_git') + '/external/gyp.git' + '@' + 'd61a9397e668fa9843c4aa7da9e79460fe590bfb',
    'src/tools/swarming_client':
@@ -50,7 +50,7 @@ deps = {
 deps_os = {
   'android': {
     'src/base':
-      Var('chromium_git') + '/chromium/src/base' + '@' + 'bdaf4d98935e2d0b4934fd3708157a552c9de672',
+      Var('chromium_git') + '/chromium/src/base' + '@' + '7b6dbc8d1f406c5105c533df752cd34ed86e2844',
     'src/third_party/android_tools':
       Var('chromium_git') + '/android_tools.git' + '@' + 'aadb2fed04af8606545b0afe4e3060bc1a15fad7',
     'src/third_party/ced/src':
@@ -74,7 +74,7 @@ deps_os = {
   },
   'ios': {
     'src/ios':
-      Var('chromium_git') + '/chromium/src/ios' + '@' + '436ef979f71a3603ca1c647fecc39e8d09438f9e',
+      Var('chromium_git') + '/chromium/src/ios' + '@' + '32847e75d676862291d205f4b503cba7f3249a70',
   },
   'unix': {
     'src/third_party/lss':