Add suppor for ContentViewCore helpers on Tab
commit307787f6e1fd7f3affa872faf6e2efefcc51eb73
authordtrainor <dtrainor@chromium.org>
Mon, 9 Feb 2015 22:14:11 +0000 (9 14:14 -0800)
committerCommit bot <commit-bot@chromium.org>
Mon, 9 Feb 2015 22:15:15 +0000 (9 22:15 +0000)
treedfb77ddd3847b541a366dab41bcf9a7e080fb3e2
parentda80cd22d72cc051511a8cbf2f67ea84a8a07789
Add suppor for ContentViewCore helpers on Tab

- Add a concept of a helper ContentViewCore to Tab.
- Properly attach these ContentViewCores to the Tabs rendering layer.
- Note that these aren't rendered by ContentViewRenderView yet.  We need a Chrome-level
rendering object for that.

BUG=

Review URL: https://codereview.chromium.org/900443003

Cr-Commit-Position: refs/heads/master@{#315405}
chrome/android/java/src/org/chromium/chrome/browser/EmptyTabObserver.java
chrome/android/java/src/org/chromium/chrome/browser/Tab.java
chrome/android/java/src/org/chromium/chrome/browser/TabObserver.java
chrome/browser/android/DEPS
chrome/browser/android/tab_android.cc
chrome/browser/android/tab_android.h
content/browser/android/content_view_core_impl.cc
content/browser/android/content_view_core_impl.h
content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java