Move handling of DraggableRegionsChanged notification from "view" to "frame".

content/renderer/render_frame_impl.cc

 // Copyright 2013 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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 6634 matching lines @@
           this, &override_state))
     return override_state;
   return current_state;
 }
 
 std::unique_ptr<blink::WebURLLoader> RenderFrameImpl::CreateURLLoader() {
   // TODO(yhirano): Stop using Platform::CreateURLLoader() here.
   return blink::Platform::Current()->CreateURLLoader();
 }
 
+void RenderFrameImpl::DraggableRegionsChanged() {
+  for (auto& observer : observers_)
+    observer.DraggableRegionsChanged();
+}
+
 blink::WebPageVisibilityState RenderFrameImpl::GetVisibilityState() const {
   return VisibilityState();
 }
 
 bool RenderFrameImpl::IsBrowserSideNavigationPending() {
   return browser_side_navigation_pending_;
 }
 
 base::SingleThreadTaskRunner* RenderFrameImpl::GetTimerTaskRunner() {
   return GetWebFrame()->TimerTaskRunner();
@@ skipping 151 matching lines @@
       policy(info.default_policy),
       replaces_current_history_item(info.replaces_current_history_item),
       history_navigation_in_new_child_frame(
           info.is_history_navigation_in_new_child_frame),
       client_redirect(info.is_client_redirect),
       cache_disabled(info.is_cache_disabled),
       form(info.form),
       source_location(info.source_location) {}
 
 }  // namespace content