Block insecure pepper media requests in the renderer

content/renderer/pepper/pepper_platform_audio_input.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_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_H_
 
 #include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "media/audio/audio_input_ipc.h"
 #include "media/base/audio_parameters.h"
 
-class GURL;
-
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace media {
 class AudioParameters;
 }
 
 namespace content {
 
 class PepperAudioInputHost;
 class PepperMediaDeviceManager;
 
 // PepperPlatformAudioInput is operated on two threads: the main thread (the
 // thread on which objects are created) and the I/O thread. All public methods,
 // except the destructor, must be called on the main thread. The notifications
 // to the users of this class (i.e. PepperAudioInputHost) are also sent on the
 // main thread. Internally, this class sends audio input IPC messages and
 // receives media::AudioInputIPCDelegate notifications on the I/O thread.
 
 class PepperPlatformAudioInput
     : public media::AudioInputIPCDelegate,
       public base::RefCountedThreadSafe<PepperPlatformAudioInput> {
  public:
   // Factory function, returns NULL on failure. StreamCreated() will be called
   // when the stream is created.
   static PepperPlatformAudioInput* Create(
       int render_frame_id,
       const std::string& device_id,
-      const GURL& document_url,
       int sample_rate,
       int frames_per_buffer,
       PepperAudioInputHost* client);
 
   // Called on main thread.
   void StartCapture();
   void StopCapture();
   // Closes the stream. Make sure to call this before the object is destructed.
   void ShutDown();
 
   // media::AudioInputIPCDelegate.
   void OnStreamCreated(base::SharedMemoryHandle handle,
                        base::SyncSocket::Handle socket_handle,
                        int length,
                        int total_segments) override;
   void OnError() override;
   void OnIPCClosed() override;
 
  protected:
   ~PepperPlatformAudioInput() override;
 
  private:
   friend class base::RefCountedThreadSafe<PepperPlatformAudioInput>;
 
   PepperPlatformAudioInput();
 
   bool Initialize(int render_frame_id,
                   const std::string& device_id,
-                  const GURL& document_url,
                   int sample_rate,
                   int frames_per_buffer,
                   PepperAudioInputHost* client);
 
   // I/O thread backends to above functions.
   void InitializeOnIOThread(int session_id);
   void StartCaptureOnIOThread();
   void StopCaptureOnIOThread();
   void ShutDownOnIOThread();
 
@@ skipping 36 matching lines @@
   bool pending_open_device_;
   // THIS MUST ONLY BE ACCESSED ON THE MAIN THREAD.
   int pending_open_device_id_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperPlatformAudioInput);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_PLATFORM_AUDIO_INPUT_H_