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

extensions/renderer/guest_view/guest_view_internal_custom_bindings.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_GUEST_VIEW_INTERNAL_CUSTOM_BINDINGS_H_
 #define EXTENSIONS_RENDERER_GUEST_VIEW_GUEST_VIEW_INTERNAL_CUSTOM_BINDINGS_H_
 
 #include <map>
 
 #include "extensions/renderer/object_backed_native_handler.h"
@@ skipping 29 matching lines @@
   void AttachGuest(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // DetachGuest detaches the container container specified from the associated
   // GuestViewBase. DetachGuest takes two parameters:
   // |element_instance_id| uniquely identifies a container within the content
   // module is able to host GuestViews.
   // |callback| is an optional callback that is called once the container has
   // been detached.
   void DetachGuest(const v8::FunctionCallbackInfo<v8::Value>& args);
 
+  // AttachIframeGuest is --site-per-process variant of AttachGuest().
+  //
+  // AttachIframeGuest takes a |contentWindow| parameter in addition to the
+  // parameters to AttachGuest. That parameter is used to identify the
+  // RenderFrame of the <iframe> container element.
+  void AttachIframeGuest(const v8::FunctionCallbackInfo<v8::Value>& args);
+
   // GetContentWindow takes in a RenderView routing ID and returns the
   // Window JavaScript object for that RenderView.
   void GetContentWindow(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Destroys the GuestViewContainer given an element instance ID in |args|.
   void DestroyContainer(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // GetViewFromID takes a view ID, and returns the GuestView element associated
   // with that ID, if one exists. Otherwise, null is returned.
   void GetViewFromID(const v8::FunctionCallbackInfo<v8::Value>& args);
@@ skipping 22 matching lines @@
   // Note that the guest requesting fullscreen means it has already been
   // triggered by a user gesture and we get to this point if embedder allows
   // the fullscreen request to proceed.
   void RunWithGesture(
       const v8::FunctionCallbackInfo<v8::Value>& args);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_GUEST_VIEW_GUEST_VIEW_INTERNAL_CUSTOM_BINDINGS_H_