Translate: Add TranslateBubbleView

This is used for Translate new UX. For screen shots, please see the crbug.com/276181

BUG=276181
TEST=unit_tests --gtest_filter=TranslateBubbleViewTest.*

Review URL: https://codereview.chromium.org/26775007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229555 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229555
Add a new histogram for tracking the number of QUIC streams
created over the life of a session.

Net.QuicSession.NumTotalStreams

R=jar@chromium.org

Review URL: https://codereview.chromium.org/28243002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229556 0039d316-1c4b-4281-b951-d872f2087c98
[SyncFS] Move more MetadataDatabase helpers to drive_backend.h

Extracting these function to separate file to make tests easier.

R=kinuko
BUG=240165

Review URL: https://codereview.chromium.org/28273002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229557 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229557