Migrate accessibility from RenderView to RenderFrame.

content/public/browser/web_contents.h

Index: content/public/browser/web_contents.h
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index fd31c1af4e9733b8072a861e635c4d695625d115..f6f8e16cde58626fb797230c1b94d8508425876d 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -219,6 +219,10 @@ class WebContents : public PageNavigator,
   virtual void SetUserAgentOverride(const std::string& override) = 0;
   virtual const std::string& GetUserAgentOverride() const = 0;
 
+  virtual void EnableTreeOnlyAccessibilityMode() = 0;
+  virtual bool IsTreeOnlyAccessibilityModeForTesting() const = 0;

[nasko, 2014/05/12 17:28:01]

I'm not sure if we add testing methods to the public API. I'll leave it to jam@
and creis@ to comment, but it feels strange.

[dmazzoni, 2014/05/13 06:36:52]

The reason we need these is because we want to test them from Chrome code (an
extension api that toggles these). It's not clear how else we'd do that.

+  virtual bool IsFullAccessibilityModeForTesting() const = 0;
+
 #if defined(OS_WIN)
   virtual void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) = 0;