Add "implemented_in" key in IDL schema compiler

The "implemented_in" key format like this:
  [implemented_in="path/to/implemented_file"]
  namespace Foo {...};

BUG=313579
TEST=pass idl_schema_test

Review URL: https://codereview.chromium.org/56543003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233442 0039d316-1c4b-4281-b951-d872f2087c98
Nit: Using GetWidget() here is pretty confusing given that all methods
around directly use window_ and GetWidget() would simply return window_.

BUG=None

Review URL: https://codereview.chromium.org/58883002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233443 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233443
Roll FFmpeg DEPS for OSX x64 config files.

8f24a14 Only trim leading whitespace for #line directives.
440b476 Update OSX x64 config files.

BUG=315789
TEST=mac_x64_rel passes
NOTRY=true
R=ihf@chromium.org

Review URL: https://codereview.chromium.org/62963002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233444 0039d316-1c4b-4281-b951-d872f2087c98
Add 'Clear local data and reload' button in chrome:drive-internals.

BUG=298789
R=satorux@chromium.org, yoshiki@chromium.org

Review URL: https://codereview.chromium.org/59083013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233445 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233445