Roll Chromium 37.0.2062.76.
Merge pull request #2312 from darktears/master

Roll Chromium 37.0.2062.76.
[Android] Support the tag member in W3C WebNotification API

Fix that the “tag” member of Notification does not work
when running “WebAPI/Notification”.

Add the indication of number for repeated notification.

BUG=XWALK-1968
Merge pull request #2297 from lincsoon/master

[Android] Support the tag member in W3C WebNotification API
[Android] Add test case for OnRequestFocus.

This patch is to add test case for OnRequestFocus().
[Android] Add test case for OnJavascriptModalDialog.

This patch is to add test case for OnJavascriptModalDialog().
[Android] Add test case for OpenFileChooser.

This patch is to add test case for OpenFileChooser().
[Android] Add test case for OnFullscreenToggled.

This patch is to add test case for OnFullscreenToggled().
[Android] Add test case for shouldOverrideKeyEvent.

This patch is to add test case for shouldOverrideKeyEvent().
Load the data, simulate the key action, XWalkUiClient will
receive shouldOverrideKeyEvent.
[Android] Add test cases for onPageLoadStarted.

This patch is to add test cases for onPageLoadStarted().
Test this interface with local url, invalid url and webserver.
[Android] Add test cases for onPageLoadStopped.

This patch is to add test cases for onPageLoadStopped().
Test this interface with local url, invalid url, data and web server.