Add a WebKit API that registers a V8 extension to be loaded into content

webkit/glue/webframe.h

 // Copyright (c) 2006-2009 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 WEBKIT_GLUE_WEBFRAME_H_
 #define WEBKIT_GLUE_WEBFRAME_H_
 
 #include <vector>
 
 #include "base/scoped_ptr.h"
@@ skipping 121 matching lines @@
   // be modified to inherit parameters that allow it to be loaded.  This method
   // ends up triggering WebViewDelegate::WillSendRequest.
   virtual void DispatchWillSendRequest(WebKit::WebURLRequest* request) = 0;
 
   // Executes JavaScript in the web frame.
   virtual void ExecuteScript(const WebKit::WebScriptSource& source) = 0;
 
   // Executes JavaScript in a new context associated with the web frame. The
   // script gets its own global scope and its own prototypes for intrinsic
   // JavaScript objects (String, Array, and so-on). It shares the wrappers for
-  // all DOM nodes and DOM constructors.
+  // all DOM nodes and DOM constructors. extension_group is an
+  // embedder-provided specifier that controls which v8 extensions are loaded
+  // into the new context - see WebKit::registerExtension for the corresponding
+  // specifier.
   virtual void ExecuteScriptInNewContext(
-      const WebKit::WebScriptSource* sources, int num_sources) = 0;
+      const WebKit::WebScriptSource* sources, int num_sources,
+      int extension_group) = 0;
 
   // Executes JavaScript in a new world associated with the web frame. The
   // script gets its own global scope and its own prototypes for intrinsic
   // JavaScript objects (String, Array, and so-on). It also gets its own
-  // wrappers for all DOM nodes and DOM constructors.
+  // wrappers for all DOM nodes and DOM constructors. extension_group is an
+  // embedder-provided specifier that controls which v8 extensions are loaded
+  // into the new context - see WebKit::registerExtension for the corresponding
+  // specifier.
   virtual void ExecuteScriptInNewWorld(
-      const WebKit::WebScriptSource* sources, int num_sources) = 0;
+      const WebKit::WebScriptSource* sources, int num_sources,
+      int extension_group) = 0;
 
   // Inserts the given CSS styles at the beginning of the document.
   virtual bool InsertCSSStyles(const std::string& css) = 0;
 
   // Returns the WebHistoryItem representing the state of the previous page
   // load for later use when loading. The previous page is the page that was
   // loaded before DidCommitLoadForFrame was received.
   //
   // Returns a null item if there is no valid state to return (for example,
   // there is no previous item). Returns true if the previous item's state was
@@ skipping 254 matching lines @@
   virtual int PendingFrameUnloadEventCount() const = 0;
 
  protected:
   virtual ~WebFrame() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebFrame);
 };
 
 #endif  // WEBKIT_GLUE_WEBFRAME_H_