Implement clipboardRead/Write content capabilities

extensions/renderer/dispatcher.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_DISPATCHER_H_
 #define EXTENSIONS_RENDERER_DISPATCHER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 202 matching lines @@
   // or all contexts if |extension_id| is empty.
   void UpdateBindings(const std::string& extension_id);
 
   void UpdateBindingsForContext(ScriptContext* context);
 
   void RegisterBinding(const std::string& api_name, ScriptContext* context);
 
   void RegisterNativeHandlers(ModuleSystem* module_system,
                               ScriptContext* context);
 
+  // Determines if a ScriptContext can connect to any externally_connectable-
+  // enabled extension.
+  bool IsRuntimeAvailableToContext(ScriptContext* context);
+
+  // Updates a web page context with any content capabilities granted by active
+  // extensions.
+  void UpdateContentCapabilities(ScriptContext* context);
+
   // Inserts static source code into |source_map_|.
   void PopulateSourceMap();
 
   // Returns whether the current renderer hosts a platform app.
   bool IsWithinPlatformApp();
 
   bool IsSandboxedPage(const GURL& url) const;
 
   // Returns the Feature::Context type of context for a JavaScript context.
   Feature::Context ClassifyJavaScriptContext(
@@ skipping 74 matching lines @@
 
   // Status of webrequest usage.
   bool webrequest_used_;
 
   DISALLOW_COPY_AND_ASSIGN(Dispatcher);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_DISPATCHER_H_