DevTools: module manager with context menu injection.

Review URL: https://codereview.chromium.org/139263004

git-svn-id: svn://svn.chromium.org/blink/trunk@165291 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix button-disabled-blur.html.

This is a follow-up of Blink r165275 [1]. r165275 made the test flaky. The test
doesn't need to use autofocus

[1] http://src.chromium.org/viewvc/blink?view=revision&revision=165275

BUG=324707
TBR=keishi@chromium.org

Review URL: https://codereview.chromium.org/141573003

git-svn-id: svn://svn.chromium.org/blink/trunk@165292 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove runtime flag check assert on public method.
WebFrame::sendOrientationChangeEvent is public method and could be called without runtime flag enabled.

BUG=335258

Review URL: https://codereview.chromium.org/141303002

git-svn-id: svn://svn.chromium.org/blink/trunk@165293 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix crash due to missing null check in squashing code

Review URL: https://codereview.chromium.org/139313008

git-svn-id: svn://svn.chromium.org/blink/trunk@165294 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove window.performance.webkit* (PrefixedUserTiming)

Intent to Remove:
https://groups.google.com/a/chromium.org/d/msg/blink-dev/wVPFvUwq4cc/0SKFo56fIg0J

BUG=335459

Review URL: https://codereview.chromium.org/130213008

git-svn-id: svn://svn.chromium.org/blink/trunk@165295 bbb929c8-8fbe-4397-9dbb-9b2b20218538