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

extensions/renderer/extension_helper.cc

 // Copyright 2014 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 "extensions/renderer/extension_helper.h"
 
 #include <stddef.h>
 
 #include "content/public/renderer/render_view.h"
 #include "extensions/common/constants.h"
@@ skipping 27 matching lines @@
                         OnAppWindowClosed)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void ExtensionHelper::OnDestruct() {
   delete this;
 }
 
-void ExtensionHelper::DraggableRegionsChanged(blink::WebFrame* frame) {
-  blink::WebVector<blink::WebDraggableRegion> webregions =
-      frame->GetDocument().DraggableRegions();
-  std::vector<DraggableRegion> regions;
-  for (size_t i = 0; i < webregions.size(); ++i) {
-    DraggableRegion region;
-    render_view()->ConvertViewportToWindowViaWidget(&webregions[i].bounds);
-    region.bounds = webregions[i].bounds;
-    region.draggable = webregions[i].draggable;
-    regions.push_back(region);
-  }
-  Send(new ExtensionHostMsg_UpdateDraggableRegions(routing_id(), regions));
-}
-
 void ExtensionHelper::OnSetFrameName(const std::string& name) {
   blink::WebView* web_view = render_view()->GetWebView();
   if (web_view)
     web_view->MainFrame()->SetName(blink::WebString::FromUTF8(name));
 }
 
 void ExtensionHelper::OnAppWindowClosed() {
   v8::HandleScope scope(v8::Isolate::GetCurrent());
   v8::Local<v8::Context> v8_context =
       render_view()->GetWebView()->MainFrame()->MainWorldScriptContext();
   ScriptContext* script_context =
       dispatcher_->script_context_set().GetByV8Context(v8_context);
   if (!script_context)
     return;
   script_context->module_system()->CallModuleMethodSafe("app.window",
                                                         "onAppWindowClosed");
 }
 
 }  // namespace extensions