Add TabControlFeature to BlimpClientContextImpl

ui/gfx/geometry/size.h

Index: ui/gfx/geometry/size.h
diff --git a/ui/gfx/geometry/size.h b/ui/gfx/geometry/size.h
index 96f667394e47b4bf1e5e20bf7e4d6cb126683bfd..8ce4178b3cf26e7dd8bfee1d9db7510c310bc941 100644
--- a/ui/gfx/geometry/size.h
+++ b/ui/gfx/geometry/size.h
@@ -80,8 +80,8 @@ inline bool operator!=(const Size& lhs, const Size& rhs) {
 }
 
 // This is declared here for use in gtest-based unit tests but is defined in
-// the gfx_test_support target. Depend on that to use this in your unit test.
-// This should not be used in production code - call ToString() instead.
+// the //ui/gfx:test_support target. Depend on that to use this in your unit
+// test. This should not be used in production code - call ToString() instead.

[danakj, 2016/08/17 19:50:52]

Would you mind fixing other cases of this comment? Like
https://cs.chromium.org/chromium/src/ui/gfx/geometry/rect.h?rcl=0&l=273 and
friends.

LGTM tho, thanks!

 void PrintTo(const Size& size, ::std::ostream* os);
 
 // Helper methods to scale a gfx::Size to a new gfx::Size.