Roll chromium_revision 6e45e58670..15da4792dd (446506:446579)

Change log: 6e45e58670..15da4792dd
Full diff: 6e45e58670..15da4792dd

Changed dependencies:
* src/ios: 77913391c2..2ea7a98069
* src/testing: 87c31787e3..aa3c020296
* src/third_party: 0f6dee67bf..5f2c15b455
* src/tools: e95fc48f25..4c28780eec
DEPS diff: 6e45e58670..15da4792dd/DEPS

No update to Clang.

TBR=
BUG=None

Review-Url: https://codereview.webrtc.org/2660603002
Cr-Commit-Position: refs/heads/master@{#16311}

DEPS

@@ -2,7 +2,7 @@
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '6e45e58670ef4c3c1fdf57dfb9d05da478cfdd79',
+  'chromium_revision': '15da4792dd9356efe3ce47f101956bcfe6f3638b',
   'boringssl_git': 'https://boringssl.googlesource.com',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
@@ -44,13 +44,13 @@ deps = {
   'src/buildtools':
     Var('chromium_git') + '/chromium/buildtools.git' + '@' + 'a7cc7a3e21a061975b33dcdcd81a9716ba614c3c',
   'src/testing':
-    Var('chromium_git') + '/chromium/src/testing' + '@' + '87c31787e320dbda920e41362bb119b0872ee867',
+    Var('chromium_git') + '/chromium/src/testing' + '@' + 'aa3c0202963865217d1702a161107c88c29cccaf',
   'src/testing/gtest':
     Var('chromium_git') + '/external/github.com/google/googletest.git' + '@' + '6f8a66431cb592dad629028a50b3dd418a408c87',
   'src/testing/gmock':
     Var('chromium_git') + '/external/googlemock.git' + '@' + '0421b6f358139f02e102c9c332ce19a33faf75be', # from svn revision 566
   'src/third_party':
-    Var('chromium_git') + '/chromium/src/third_party' + '@' + '0f6dee67bf95d4a2ab822bbe02538b17605d56b2',
+    Var('chromium_git') + '/chromium/src/third_party' + '@' + '5f2c15b4556ccde4c766501a599b796fd1b55fde',
   'src/third_party/boringssl/src':
    Var('boringssl_git') + '/boringssl.git' + '@' +  Var('boringssl_revision'),
   'src/third_party/catapult':
@@ -85,7 +85,7 @@ deps = {
   'src/third_party/yasm/source/patched-yasm':
     Var('chromium_git') + '/chromium/deps/yasm/patched-yasm.git' + '@' + '7da28c6c7c6a1387217352ce02b31754deb54d2a',
   'src/tools':
-    Var('chromium_git') + '/chromium/src/tools' + '@' + 'e95fc48f25a8ce37e632d833e9c307301a889032',
+    Var('chromium_git') + '/chromium/src/tools' + '@' + '4c28780eec94e09d75889374e50fdedd354af84b',
   'src/tools/gyp':
     Var('chromium_git') + '/external/gyp.git' + '@' + 'e7079f0e0e14108ab0dba58728ff219637458563',
    'src/tools/swarming_client':
@@ -125,7 +125,7 @@ deps_os = {
   },
   'ios': {
     'src/ios':
-      Var('chromium_git') + '/chromium/src/ios' + '@' + '77913391c28898193455ba571d193d5bf9b8b39d',
+      Var('chromium_git') + '/chromium/src/ios' + '@' + '2ea7a98069698e49c61e6b683b0f66460b37d67d',
   },
   'unix': {
     'src/third_party/lss':