Implement pointer lock API for out-of-process iframes.

content/browser/renderer_host/render_widget_host_impl.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_impl.h"
 
 #include <math.h>
 
 #include <set>
 #include <utility>
@@ skipping 724 matching lines @@
 
   if (delegate_)
     delegate_->LostCapture(this);
 }
 
 void RenderWidgetHostImpl::SetActive(bool active) {
   Send(new ViewMsg_SetActive(routing_id_, active));
 }
 
 void RenderWidgetHostImpl::LostMouseLock() {
-  Send(new ViewMsg_MouseLockLost(routing_id_));
-
   if (delegate_)
     delegate_->LostMouseLock(this);
 }
 
+void RenderWidgetHostImpl::SendMouseLockLost() {
+  Send(new ViewMsg_MouseLockLost(routing_id_));
+}
+
 void RenderWidgetHostImpl::ViewDestroyed() {
   RejectMouseLockOrUnlockIfNecessary();
 
   // TODO(evanm): tracking this may no longer be necessary;
   // eliminate this function if so.
   SetView(NULL);
 }
 
 void RenderWidgetHostImpl::CopyFromBackingStore(
     const gfx::Rect& src_subrect,
@@ skipping 970 matching lines @@
     view_->ImeCancelComposition();
 }
 
 void RenderWidgetHostImpl::OnLockMouse(bool user_gesture,
                                        bool last_unlocked_by_target,
                                        bool privileged) {
   if (pending_mouse_lock_request_) {
     Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
     return;
   }
-  if (IsMouseLocked()) {
-    Send(new ViewMsg_LockMouse_ACK(routing_id_, true));
-    return;
-  }
 
   pending_mouse_lock_request_ = true;
   if (privileged && allow_privileged_mouse_lock_) {
     // Directly approve to lock the mouse.
     GotResponseToLockMouseRequest(true);
   } else {
     if (delegate_) {
       delegate_->RequestToLockMouse(this, user_gesture,
                                     last_unlocked_by_target);
       return;
@@ skipping 396 matching lines @@
   return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : NULL;
 }
 
 BrowserAccessibilityManager*
     RenderWidgetHostImpl::GetOrCreateRootBrowserAccessibilityManager() {
   return delegate_ ?
       delegate_->GetOrCreateRootBrowserAccessibilityManager() : NULL;
 }
 
 }  // namespace content