app_shell: Add audio and video capture support

extensions/shell/browser/shell_extension_host_delegate.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 CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_HOST_DELEGATE_H_
-#define CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_HOST_DELEGATE_H_
+#ifndef EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_HOST_DELEGATE_H_
+#define EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_HOST_DELEGATE_H_
 
+#include "base/macros.h"
 #include "extensions/browser/extension_host_delegate.h"
 
 namespace extensions {
 
-// Chrome support for ExtensionHost.
-class ChromeExtensionHostDelegate : public ExtensionHostDelegate {
+// A minimal ExtensionHostDelegate.
+class ShellExtensionHostDelegate : public ExtensionHostDelegate {
  public:
-  ChromeExtensionHostDelegate();
-  virtual ~ChromeExtensionHostDelegate();
+  ShellExtensionHostDelegate();
+  virtual ~ShellExtensionHostDelegate();
 
   // ExtensionHostDelegate implementation.
-  virtual void OnExtensionHostCreated(content::WebContents* web_contents)
-      OVERRIDE;
-  virtual void OnRenderViewCreatedForBackgroundPage(ExtensionHost* host)
-      OVERRIDE;
+  virtual void OnExtensionHostCreated(
+      content::WebContents* web_contents) OVERRIDE;
+  virtual void OnRenderViewCreatedForBackgroundPage(
+      ExtensionHost* host) OVERRIDE;
   virtual content::JavaScriptDialogManager* GetJavaScriptDialogManager()
       OVERRIDE;
   virtual void CreateTab(content::WebContents* web_contents,
                          const std::string& extension_id,
                          WindowOpenDisposition disposition,
                          const gfx::Rect& initial_pos,
                          bool user_gesture) OVERRIDE;
   virtual void ProcessMediaAccessRequest(
       content::WebContents* web_contents,
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback,
       const Extension* extension) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShellExtensionHostDelegate);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_CHROME_EXTENSION_HOST_DELEGATE_H_
+#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_HOST_DELEGATE_H_