Remove unused includes of plugin_list.h. Also remove unused ContentClient and webkit_support method…

content/public/common/content_client.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 CONTENT_PUBLIC_COMMON_CONTENT_CLIENT_H_
 #define CONTENT_PUBLIC_COMMON_CONTENT_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 21 matching lines @@
 
 namespace gpu {
 struct GPUInfo;
 }
 
 namespace sandbox {
 class TargetPolicy;
 }
 
 namespace webkit {
-namespace npapi {
-class PluginList;
-}
-
 namespace ppapi {
 class HostGlobals;
 }
 }
 
 namespace content {
 
 class ContentBrowserClient;
 class ContentClient;
 class ContentPluginClient;
@@ skipping 47 matching lines @@
   // Sets the currently active URL.  Use GURL() to clear the URL.
   virtual void SetActiveURL(const GURL& url) {}
 
   // Sets the data on the current gpu.
   virtual void SetGpuInfo(const gpu::GPUInfo& gpu_info) {}
 
   // Gives the embedder a chance to register its own pepper plugins.
   virtual void AddPepperPlugins(
       std::vector<content::PepperPluginInfo>* plugins) {}
 
-  // Gives the embedder a chance to register its own internal NPAPI plugins.
-  virtual void AddNPAPIPlugins(
-      webkit::npapi::PluginList* plugin_list) {}
-
   // Gives the embedder a chance to register its own standard and saveable
   // url schemes early on in the startup sequence.
   virtual void AddAdditionalSchemes(
       std::vector<std::string>* standard_schemes,
       std::vector<std::string>* savable_schemes) {}
 
   // Returns whether the given message should be sent in a swapped out renderer.
   virtual bool CanSendWhileSwappedOut(const IPC::Message* message);
 
   // Returns whether the given message should be processed in the browser on
@@ skipping 54 matching lines @@
   ContentPluginClient* plugin_;
   // The embedder API for participating in renderer logic.
   ContentRendererClient* renderer_;
   // The embedder API for participating in utility logic.
   ContentUtilityClient* utility_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTENT_CLIENT_H_