Remove leftover code in InspectorFrontendHostStub.js after r158821.

'_fileBuffers' property is not used anymore after r158821, so remove this.

BUG=none.

Review URL: https://codereview.chromium.org/103103004

git-svn-id: svn://svn.chromium.org/blink/trunk@163166 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Emit CommitFrame and BeginFrame for impl-side frames

This adds processing of CommitFrame and BeginFrame to TimelineTraceEventProcessor.

BUG=305863
R=pfeldman@chromium.org

Review URL: https://codereview.chromium.org/59793003

git-svn-id: svn://svn.chromium.org/blink/trunk@163167 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove hybi sub directory for WebSocket layout tests

It was for differentiating two different versions of WebSocket when
Blink (WebKit) was supporting both. It's no longer necessary.

BUG=none

Review URL: https://codereview.chromium.org/101143002

git-svn-id: svn://svn.chromium.org/blink/trunk@163168 bbb929c8-8fbe-4397-9dbb-9b2b20218538