Revert of Revert of Migrate accessibility from RenderView to RenderFrame.

content/renderer/accessibility/renderer_accessibility_complete.cc

Index: content/renderer/accessibility/renderer_accessibility_complete.cc
diff --git a/content/renderer/accessibility/renderer_accessibility_complete.cc b/content/renderer/accessibility/renderer_accessibility_complete.cc
index 2e72dde7fb93f06c9dc7286caa3fb991f9d2c826..fd647187b3dbe88fb97b8cdc7a5e3bc3f854dbaa 100644
--- a/content/renderer/accessibility/renderer_accessibility_complete.cc
+++ b/content/renderer/accessibility/renderer_accessibility_complete.cc
@@ -9,6 +9,7 @@
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "content/renderer/accessibility/blink_ax_enum_conversion.h"
+#include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
@@ -28,10 +29,10 @@
 namespace content {
 
 RendererAccessibilityComplete::RendererAccessibilityComplete(
-    RenderViewImpl* render_view)
-    : RendererAccessibility(render_view),
+    RenderFrameImpl* render_frame)
+    : RendererAccessibility(render_frame),
       weak_factory_(this),
-      tree_source_(render_view),
+      tree_source_(render_frame),
       serializer_(&tree_source_),
       last_scroll_offset_(gfx::Size()),
       ack_pending_(false) {
@@ -91,13 +92,6 @@
   }
 }
 
-void RendererAccessibilityComplete::DidFinishLoad(blink::WebLocalFrame* frame) {
-  const WebDocument& document = GetMainDocument();
-  if (document.isNull())
-    return;
-}
-
-
 void RendererAccessibilityComplete::HandleWebAccessibilityEvent(
     const blink::WebAXObject& obj, blink::WebAXEvent event) {
   HandleAXEvent(obj, AXEventFromBlink(event));
@@ -162,7 +156,7 @@
   if (pending_events_.empty())
     return;
 
-  if (render_view_->is_swapped_out())
+  if (render_frame_->is_swapped_out())
     return;
 
   ack_pending_ = true;
@@ -387,7 +381,7 @@
   // By convention, calling SetFocus on the root of the tree should clear the
   // current focus. Otherwise set the focus to the new node.
   if (acc_obj_id == root.axID())
-    render_view()->GetWebView()->clearFocusedElement();
+    render_frame_->GetRenderView()->GetWebView()->clearFocusedElement();
   else
     obj.setFocused(true);
 }