GitLab

Added a new method to initialize a mocked version of TSFBridge when
|InitializeInputMethodForTesting| is called from test code. This
change also adds a call in the views unittest base to initialize the
|MockTSFBridge| by calling |InitializeInputMethodForTesting| and
enables some disabled tests.

Bug: 968222

Change-Id: Ib25dcefd53a2b6e11ea6dfa713efe37052b24be6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2364034Reviewed-by: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Yohei Yukawa <yukawa@chromium.org>
Commit-Queue: Anupam Snigdha <snianu@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#799826}