Geolocation: expand number of buckets for wifi access points in histogram.

The current histogram shows that 46% of the data ends up in the overflow bucket.

Review URL: https://codereview.chromium.org/44343002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231095 0039d316-1c4b-4281-b951-d872f2087c98
Be more thorough with garbage collection in RenderViewTest::TearDown().

Fixes memory leaks in browser tests.

BUG=307043
R=phajdan.jr@chromium.org

Review URL: https://codereview.chromium.org/44623002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231096 0039d316-1c4b-4281-b951-d872f2087c98
More accelerometer testing on new MacBooks.

BUG=none
TEST=none

Review URL: https://codereview.chromium.org/44643002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231097 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 231096
SVN changes up to revision 231097