Make <webview> use out-of-process iframe architecture.

extensions/renderer/guest_view/extensions_guest_view_container.h

 // 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.
 
 #ifndef EXTENSIONS_RENDERER_GUEST_VIEW_EXTENSIONS_GUEST_VIEW_CONTAINER_H_
 #define EXTENSIONS_RENDERER_GUEST_VIEW_EXTENSIONS_GUEST_VIEW_CONTAINER_H_
 
 #include <queue>
 
 #include "base/memory/linked_ptr.h"
@@ skipping 52 matching lines @@
     ~AttachRequest() override;
 
     void PerformRequest() override;
     void HandleResponse(const IPC::Message& message) override;
 
    private:
     const int guest_instance_id_;
     scoped_ptr<base::DictionaryValue> params_;
   };
 
+  class AttachIframeRequest : public Request {
+   public:
+    AttachIframeRequest(GuestViewContainer* container,
+                        int guest_instance_id,
+                        v8::Handle<v8::Function> callback,
+                        v8::Isolate* isolate);
+    ~AttachIframeRequest() override;
+
+    void PerformRequest() override;
+    void HandleResponse(const IPC::Message& message) override;
+
+   private:
+    const int guest_instance_id_;
+  };
+
   class DetachRequest : public Request {
    public:
     DetachRequest(GuestViewContainer* container,
                   v8::Local<v8::Function> callback,
                   v8::Isolate* isolate);
     ~DetachRequest() override;
 
     void PerformRequest() override;
     void HandleResponse(const IPC::Message& message) override;
   };
 
   explicit ExtensionsGuestViewContainer(content::RenderFrame* render_frame);
   ~ExtensionsGuestViewContainer() override;
 
   static ExtensionsGuestViewContainer* FromID(int element_instance_id);
 
   void IssueRequest(linked_ptr<Request> request);
   void RegisterDestructionCallback(v8::Local<v8::Function> callback,
                                    v8::Isolate* isolate);
   void RegisterElementResizeCallback(v8::Local<v8::Function> callback,
                                      v8::Isolate* isolate);
 
+  void GuestContentWindowReady(const IPC::Message& message);
+
   // BrowserPluginDelegate implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
   void SetElementInstanceID(int element_instance_id) override;
   void Ready() override;
   void DidResizeElement(const gfx::Size& old_size,
                         const gfx::Size& new_size) override;
 
  private:
   void OnHandleCallback(const IPC::Message& message);
 
@@ skipping 16 matching lines @@
 
   // Weak pointer factory used for calling the element resize callback.
   base::WeakPtrFactory<ExtensionsGuestViewContainer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsGuestViewContainer);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_GUEST_VIEW_EXTENSIONS_GUEST_VIEW_CONTAINER_H_