Remove unneeded extension_messages_browsertest.cc + cleanup.

chrome/renderer/extensions/chrome_v8_context.h

 // Copyright (c) 2012 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_CHROME_V8_CONTEXT_H_
 #define CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_H_
 #pragma once
 
 #include <string>
 
@@ skipping 12 matching lines @@
 
 // Chrome's wrapper for a v8 context.
 //
 // TODO(aa): Consider converting this back to a set of bindings_utils. It would
 // require adding WebFrame::GetIsolatedWorldIdByV8Context() to WebCore, but then
 // we won't need this object and it's a bit less state to keep track of.
 class ChromeV8Context {
  public:
   ChromeV8Context(v8::Handle<v8::Context> context,
                   WebKit::WebFrame* frame,
-                  const std::string& extension_id,
+                  const Extension* extension,
                   extensions::Feature::Context context_type);
   ~ChromeV8Context();
 
   v8::Handle<v8::Context> v8_context() const {
     return v8_context_;
   }
 
-  const std::string& extension_id() const {
-    return extension_id_;
+  const Extension* extension() const {
+    return extension_;
   }
 
   WebKit::WebFrame* web_frame() const {
     return web_frame_;
   }
   void clear_web_frame() {
     web_frame_ = NULL;
   }
 
   extensions::Feature::Context context_type() const {
     return context_type_;
   }
 
   void set_module_system(scoped_ptr<ModuleSystem> module_system) {
     module_system_ = module_system.Pass();
   }
 
+  // Returns the ID of the extension associated with this context, or empty
+  // string if there is no such extension.
+  std::string GetExtensionID();
+
   // Returns a special Chrome-specific hidden object that is associated with a
   // context, but not reachable from the JavaScript in that context. This is
   // used by our v8::Extension implementations as a way to share code and as a
   // bridge between C++ and JavaScript.
   static v8::Handle<v8::Value> GetOrCreateChromeHidden(
       v8::Handle<v8::Context> context);
 
   // Return the chromeHidden object associated with this context, or an empty
   // handle if no chrome hidden has been created (by GetOrCreateChromeHidden)
   // yet for this context.
   v8::Handle<v8::Value> GetChromeHidden() const;
 
   // Returns the RenderView associated with this context. Can return NULL if the
   // context is in the process of being destroyed.
   content::RenderView* GetRenderView() const;
 
   // Fires the onload and onunload events on the chromeHidden object.
   // TODO(aa): Move this to EventBindings.
   void DispatchOnLoadEvent(bool is_extension_process,
                            bool is_incognito_process,
-                           int manifest_version) const;
-  void DispatchOnUnloadEvent() const;
+                           int manifest_version);
+  void DispatchOnUnloadEvent();
 
   // Call the named method of the chromeHidden object in this context.
   // The function can be a sub-property like "Port.dispatchOnMessage". Returns
   // the result of the function call in |result| if |result| is non-NULL. If the
   // named method does not exist, returns false.
   bool CallChromeHiddenMethod(
       const std::string& function_name,
       int argc,
       v8::Handle<v8::Value>* argv,
       v8::Handle<v8::Value>* result) const;
 
+  // Returns the set of extension APIs that are available to this context. If no
+  // APIs are available, returns an empty set.
+  const std::set<std::string>& GetAvailableExtensionAPIs();
+
  private:
   // The v8 context the bindings are accessible to. We keep a strong reference
   // to it for simplicity. In the case of content scripts, this is necessary
   // because we want all scripts from the same extension for the same frame to
   // run in the same context, so we can't have the contexts being GC'd if
   // nothing is happening. In the case of page contexts, this isn't necessary
   // since the DOM keeps the context alive, but it makes things simpler to not
   // distinguish the two cases.
   v8::Persistent<v8::Context> v8_context_;
 
   // The WebFrame associated with this context. This can be NULL because this
   // object can outlive is destroyed asynchronously.
   WebKit::WebFrame* web_frame_;
 
-  // The extension ID this context is associated with.
-  std::string extension_id_;
+  // The extension associated with this context, or NULL if there is none. This
+  // might be a hosted app in the case that this context is hosting a web URL.
+  const Extension* extension_;
 
   // The type of context.
   extensions::Feature::Context context_type_;
 
   // Owns and structures the JS that is injected to set up extension bindings.
   scoped_ptr<ModuleSystem> module_system_;
 
+  // The extension APIs available to this context.
+  scoped_ptr<std::set<std::string> > available_extension_apis_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeV8Context);
 };
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_H_