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

extensions/browser/guest_view/web_view/web_view_guest.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_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
 #include "components/guest_view/browser/guest_view.h"
 #include "content/public/browser/javascript_dialog_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/guest_view/web_view/javascript_dialog_helper.h"
 #include "extensions/browser/guest_view/web_view/web_view_find_helper.h"
 #include "extensions/browser/guest_view/web_view/web_view_guest_delegate.h"
 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 #include "extensions/browser/guest_view/web_view/web_view_permission_types.h"
 #include "extensions/browser/script_executor.h"
 
 namespace blink {
 struct WebFindOptions;
 }  // nanespace blink
 
+namespace content {
+struct GlobalRequestID;
+}  // namespace content
+
 namespace extensions {
 
 class WebViewInternalFindFunction;
 
 // A WebViewGuest provides the browser-side implementation of the <webview> API
 // and manages the dispatch of <webview> extension events. WebViewGuest is
 // created on attachment. That is, when a guest WebContents is associated with
 // a particular embedder WebContents. This happens on either initial navigation
 // or through the use of the New Window API, when a new window is attached to
 // a particular <webview>.
@@ skipping 273 matching lines @@
   void LoadRedirect(const GURL& old_url,
                     const GURL& new_url,
                     bool is_top_level);
 
   void PushWebViewStateToIOThread();
   static void RemoveWebViewStateFromIOThread(
       content::WebContents* web_contents);
 
   // Loads the |url| provided. |force_navigation| indicates whether to reload
   // the content if the provided |url| matches the current page of the guest.
-  void LoadURLWithParams(const GURL& url,
-                         const content::Referrer& referrer,
-                         ui::PageTransition transition_type,
-                         bool force_navigation);
+  // TODO(lazyboy): Use OpenURLParams as parameter.?

[Fady Samuel, 2015/06/11 22:27:21]

The WebViewGuest changes seem like something you can land separately. Might as
well do it now in a separate patch?

+  void LoadURLWithParams(
+      const GURL& url,
+      const content::Referrer& referrer,
+      ui::PageTransition transition_type,
+      const content::GlobalRequestID& transferred_global_request_id,
+      bool force_navigation);
 
   void RequestNewWindowPermission(
       WindowOpenDisposition disposition,
       const gfx::Rect& initial_bounds,
       bool user_gesture,
       content::WebContents* new_contents);
 
   // Requests resolution of a potentially relative URL.
   GURL ResolveURL(const std::string& src);
 
@@ skipping 73 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_