Revert of Migrate accessibility from RenderView to RenderFrame.

content/browser/renderer_host/render_widget_host_view_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 1132 matching lines @@
 }
 
 void RenderWidgetHostViewAndroid::OnSetNeedsFlushInput() {
   if (flush_input_requested_ || !content_view_core_)
     return;
   TRACE_EVENT0("input", "RenderWidgetHostViewAndroid::OnSetNeedsFlushInput");
   flush_input_requested_ = true;
   content_view_core_->GetWindowAndroid()->RequestVSyncUpdate();
 }
 
-BrowserAccessibilityManager*
-    RenderWidgetHostViewAndroid::CreateBrowserAccessibilityManager(
-        BrowserAccessibilityDelegate* delegate) {
-  base::android::ScopedJavaLocalRef<jobject> obj;
-  if (content_view_core_)
-    obj = content_view_core_->GetJavaObject();
-  return new BrowserAccessibilityManagerAndroid(
-      obj,
-      BrowserAccessibilityManagerAndroid::GetEmptyDocument(),
-      delegate);
+void RenderWidgetHostViewAndroid::CreateBrowserAccessibilityManagerIfNeeded() {
+  if (!host_ || host_->accessibility_mode() != AccessibilityModeComplete)
+    return;
+
+  if (!GetBrowserAccessibilityManager()) {
+    base::android::ScopedJavaLocalRef<jobject> obj;
+    if (content_view_core_)
+      obj = content_view_core_->GetJavaObject();
+    SetBrowserAccessibilityManager(
+        new BrowserAccessibilityManagerAndroid(
+            obj,
+            BrowserAccessibilityManagerAndroid::GetEmptyDocument(),
+            host_));
+  }
 }
 
 bool RenderWidgetHostViewAndroid::LockMouse() {
   NOTIMPLEMENTED();
   return false;
 }
 
 void RenderWidgetHostViewAndroid::UnlockMouse() {
   NOTIMPLEMENTED();
 }
@@ skipping 84 matching lines @@
   }
 
   bool resize = false;
   if (content_view_core != content_view_core_) {
     ReleaseLocksOnSurface();
     resize = true;
   }
 
   content_view_core_ = content_view_core;
 
-  BrowserAccessibilityManager* manager = NULL;
-  if (host_)
-    manager = host_->GetRootBrowserAccessibilityManager();
-  if (manager) {
+  if (GetBrowserAccessibilityManager()) {
     base::android::ScopedJavaLocalRef<jobject> obj;
     if (content_view_core_)
       obj = content_view_core_->GetJavaObject();
-    manager->ToBrowserAccessibilityManagerAndroid()->SetContentViewCore(obj);
+    GetBrowserAccessibilityManager()->ToBrowserAccessibilityManagerAndroid()->
+        SetContentViewCore(obj);
   }
 
   AttachLayers();
   if (content_view_core_ && !using_synchronous_compositor_) {
     content_view_core_->GetWindowAndroid()->AddObserver(this);
     observing_root_window_ = true;
     if (needs_begin_frame_)
       content_view_core_->GetWindowAndroid()->RequestVSyncUpdate();
   }
 
@@ skipping 196 matching lines @@
   results->orientationAngle = display.RotationAsDegree();
   results->orientationType =
       RenderWidgetHostViewBase::GetOrientationTypeForMobile(display);
   gfx::DeviceDisplayInfo info;
   results->depth = info.GetBitsPerPixel();
   results->depthPerComponent = info.GetBitsPerComponent();
   results->isMonochrome = (results->depthPerComponent == 0);
 }
 
 } // namespace content