cc: Small BeginFrameArgs cleanup.
* Rename BeginFrameArgs::CreateTyped to BeginFrameArgs::Create and remove
other versions.
* The other constructors where not used anywhere.
* The non-typed version was accidentally being used to create a SYNCHRONOUS
BeginFrameArgs.
* Fixed testing methods to understand type information.
* Create method for converting the type enum to string.
BUG=346230
Review URL: https://codereview.chromium.org/742683002
Cr-Commit-Position: refs/heads/master@{#305218}
14 files changed
