Initial inline web store install bindings.

chrome/renderer/extensions/extension_helper.h

 // Copyright (c) 2011 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 CHROME_RENDERER_EXTENSIONS_EXTENSION_HELPER_H_
 #define CHROME_RENDERER_EXTENSIONS_EXTENSION_HELPER_H_
 #pragma once
 
 #include <map>
 
 #include "content/common/view_types.h"
 #include "content/renderer/render_view.h"
 #include "content/renderer/render_view_observer.h"
 #include "content/renderer/render_view_observer_tracker.h"
 
 class ExtensionDispatcher;
 class GURL;
 struct ExtensionMsg_ExecuteCode_Params;
 struct WebApplicationInfo;
 
 namespace base {
 class ListValue;
 }
 
 namespace webkit_glue {
 class ResourceFetcher;
 }
 
-// Filters extension related messages sent to RenderViews.
+// RenderView-level plumbing for extension features.
 class ExtensionHelper : public RenderViewObserver,
                         public RenderViewObserverTracker<ExtensionHelper> {
  public:
   ExtensionHelper(RenderView* render_view,
                   ExtensionDispatcher* extension_dispatcher);
   virtual ~ExtensionHelper();
 
   // Starts installation of the page in the specified frame as a web app. The
   // page must link to an external 'definition file'. This is different from
   // the 'application shortcuts' feature where we pull the application
   // definition out of optional meta tags in the page.
   bool InstallWebApplicationUsingDefinitionFile(WebKit::WebFrame* frame,
                                                 string16* error);
 
+  void InlineWebstoreInstall(std::string webstore_item_id);
+
   int browser_window_id() const { return browser_window_id_; }
   ViewType::Type view_type() const { return view_type_; }
 
  private:
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
   virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame);
   virtual void DidFinishLoad(WebKit::WebFrame* frame);
   virtual void DidCreateDocumentElement(WebKit::WebFrame* frame);
   virtual void DidStartProvisionalLoad(WebKit::WebFrame* frame);
@@ skipping 46 matching lines @@
   // Type of view attached with RenderView.
   ViewType::Type view_type_;
 
   // Id number of browser window which RenderView is attached to.
   int browser_window_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHelper);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_EXTENSION_HELPER_H_