Pepper: Send dev/canary channel status to plugins.

content/public/browser/plugin_service.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_BROWSER_PLUGIN_SERVICE_H_
 #define CONTENT_PUBLIC_BROWSER_PLUGIN_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 141 matching lines @@
   // be made forward too.
   virtual void AppActivated() = 0;
 #elif defined(OS_WIN)
   // Returns the name and version of a plugin HWND. If the HWND isn't a valid
   // plugin, returns false.
   // This can be called from any thread.
   virtual bool GetPluginInfoFromWindow(HWND window,
                                        base::string16* plugin_name,
                                        base::string16* plugin_version) = 0;
 #endif
+
+  // Returns true iff PPAPI "dev channel" methods are supported.
+  virtual bool PpapiDevChannelSupported() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_PLUGIN_SERVICE_H_