Revert of Revert of Migrate accessibility from RenderView to RenderFrame.

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index 82255825b061d603f6d5bb7ab7924a237d65cb66..17c73d59ebbf3e858b5fdf33648e2828e763ba29 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -2065,14 +2065,13 @@
     render_widget_host_->SetBackgroundOpaque(opaque);
 }
 
-void RenderWidgetHostViewMac::CreateBrowserAccessibilityManagerIfNeeded() {
-  if (!GetBrowserAccessibilityManager()) {
-    SetBrowserAccessibilityManager(
-        new BrowserAccessibilityManagerMac(
-            cocoa_view_,
-            BrowserAccessibilityManagerMac::GetEmptyDocument(),
-            render_widget_host_));
-  }
+BrowserAccessibilityManager*
+    RenderWidgetHostViewMac::CreateBrowserAccessibilityManager(
+        BrowserAccessibilityDelegate* delegate) {
+  return new BrowserAccessibilityManagerMac(
+      cocoa_view_,
+      BrowserAccessibilityManagerMac::GetEmptyDocument(),
+      delegate);
 }
 
 gfx::Point RenderWidgetHostViewMac::AccessibilityOriginInScreen(
@@ -2087,33 +2086,9 @@
   return gfx::Point(originInScreen.x, originInScreen.y);
 }
 
-void RenderWidgetHostViewMac::OnAccessibilitySetFocus(int accObjId) {
-  // Immediately set the focused item even though we have not officially set
-  // focus on it as VoiceOver expects to get the focused item after this
-  // method returns.
-  BrowserAccessibilityManager* manager = GetBrowserAccessibilityManager();
-  if (manager)
-    manager->SetFocus(manager->GetFromID(accObjId), false);
-}
-
-void RenderWidgetHostViewMac::AccessibilityShowMenu(int accObjId) {
-  BrowserAccessibilityManager* manager = GetBrowserAccessibilityManager();
-  if (!manager)
-    return;
-  BrowserAccessibilityCocoa* obj =
-      manager->GetFromID(accObjId)->ToBrowserAccessibilityCocoa();
-
-  // Performs a right click copying WebKit's
-  // accessibilityPerformShowMenuAction.
-  NSPoint objOrigin = [obj origin];
-  NSSize size = [[obj size] sizeValue];
-  gfx::Point origin = AccessibilityOriginInScreen(
-      gfx::Rect(objOrigin.x, objOrigin.y, size.width, size.height));
-  NSPoint location = NSMakePoint(origin.x(), origin.y());
+void RenderWidgetHostViewMac::AccessibilityShowMenu(const gfx::Point& point) {
+  NSPoint location = NSMakePoint(point.x(), point.y());
   location = [[cocoa_view_ window] convertScreenToBase:location];
-  location.x += size.width/2;
-  location.y += size.height/2;
-
   NSEvent* fakeRightClick = [NSEvent
                           mouseEventWithType:NSRightMouseDown
                                     location:location
@@ -2127,8 +2102,6 @@
 
   [cocoa_view_ mouseEvent:fakeRightClick];
 }
-
-
 
 void RenderWidgetHostViewMac::SetTextInputActive(bool active) {
   if (active) {
@@ -3177,7 +3150,7 @@
 
 - (id)accessibilityAttributeValue:(NSString *)attribute {
   BrowserAccessibilityManager* manager =
-      renderWidgetHostView_->GetBrowserAccessibilityManager();
+      renderWidgetHostView_->GetHost()->GetRootBrowserAccessibilityManager();
 
   // Contents specifies document view of RenderWidgetHostViewCocoa provided by
   // BrowserAccessibilityManager. Children includes all subviews in addition to
@@ -3202,25 +3175,28 @@
 }
 
 - (id)accessibilityHitTest:(NSPoint)point {
-  if (!renderWidgetHostView_->GetBrowserAccessibilityManager())
+  BrowserAccessibilityManager* manager =
+      renderWidgetHostView_->GetHost()->GetRootBrowserAccessibilityManager();
+  if (!manager)
     return self;
   NSPoint pointInWindow = [[self window] convertScreenToBase:point];
   NSPoint localPoint = [self convertPoint:pointInWindow fromView:nil];
   localPoint.y = NSHeight([self bounds]) - localPoint.y;
-  BrowserAccessibilityCocoa* root = renderWidgetHostView_->
-      GetBrowserAccessibilityManager()->
-          GetRoot()->ToBrowserAccessibilityCocoa();
+  BrowserAccessibilityCocoa* root =
+      manager->GetRoot()->ToBrowserAccessibilityCocoa();
   id obj = [root accessibilityHitTest:localPoint];
   return obj;
 }
 
 - (BOOL)accessibilityIsIgnored {
-  return !renderWidgetHostView_->GetBrowserAccessibilityManager();
+  BrowserAccessibilityManager* manager =
+      renderWidgetHostView_->GetHost()->GetRootBrowserAccessibilityManager();
+  return !manager;
 }
 
 - (NSUInteger)accessibilityGetIndexOf:(id)child {
   BrowserAccessibilityManager* manager =
-      renderWidgetHostView_->GetBrowserAccessibilityManager();
+      renderWidgetHostView_->GetHost()->GetRootBrowserAccessibilityManager();
   // Only child is root.
   if (manager &&
       manager->GetRoot()->ToBrowserAccessibilityCocoa() == child) {
@@ -3232,7 +3208,7 @@
 
 - (id)accessibilityFocusedUIElement {
   BrowserAccessibilityManager* manager =
-      renderWidgetHostView_->GetBrowserAccessibilityManager();
+      renderWidgetHostView_->GetHost()->GetRootBrowserAccessibilityManager();
   if (manager) {
     BrowserAccessibility* focused_item = manager->GetFocus(NULL);
     DCHECK(focused_item);