Remove content/public/plugin and chrome/plugin

chrome/app/chrome_main_delegate.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_APP_CHROME_MAIN_DELEGATE_H_
 #define CHROME_APP_CHROME_MAIN_DELEGATE_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
@@ skipping 28 matching lines @@
   bool ShouldSendMachPort(const std::string& process_type) override;
   bool DelaySandboxInitialization(const std::string& process_type) override;
 #elif defined(OS_POSIX) && !defined(OS_ANDROID)
   void ZygoteStarting(
       ScopedVector<content::ZygoteForkDelegate>* delegates) override;
   void ZygoteForked() override;
 #endif
   bool ShouldEnableProfilerRecording() override;
 
   content::ContentBrowserClient* CreateContentBrowserClient() override;
-  content::ContentPluginClient* CreateContentPluginClient() override;
   content::ContentRendererClient* CreateContentRendererClient() override;
   content::ContentUtilityClient* CreateContentUtilityClient() override;
 
 #if defined(OS_MACOSX)
   void InitMacCrashReporter(const base::CommandLine& command_line,
                             const std::string& process_type);
 #endif  // defined(OS_MACOSX)
 
   ChromeContentClient chrome_content_client_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeMainDelegate);
 };
 
 #endif  // CHROME_APP_CHROME_MAIN_DELEGATE_H_