Pass GpuMemoryBuffer backed VideoFrame from browser to renderer processes

content/renderer/media/video_capture_message_filter.h

Index: content/renderer/media/video_capture_message_filter.h
diff --git a/content/renderer/media/video_capture_message_filter.h b/content/renderer/media/video_capture_message_filter.h
index 59a7e880bad7c65927ed35b957589d10f639a118..75493157a24816d6bd384f121bf7384a7fbd1e40 100644
--- a/content/renderer/media/video_capture_message_filter.h
+++ b/content/renderer/media/video_capture_message_filter.h
@@ -18,6 +18,7 @@
 #include "content/common/media/video_capture.h"
 #include "ipc/message_filter.h"
 #include "media/base/video_capture_types.h"
+#include "ui/gfx/gpu_memory_buffer.h"
 
 struct VideoCaptureMsg_BufferReady_Params;
 
@@ -36,18 +37,26 @@ class CONTENT_EXPORT VideoCaptureMessageFilter : public IPC::MessageFilter {
                                  int length,
                                  int buffer_id) = 0;
 
+    // Called when a GpuMemoryBuffer backed video frame buffer is created in the
+    // browser process.
+    virtual void OnGpuMemoryBufferCreated(
+        const std::vector<gfx::GpuMemoryBufferHandle>& gmb_handles,
+        const gfx::Size& size,
+        int buffer_id) = 0;
+
     virtual void OnBufferDestroyed(int buffer_id) = 0;
 
     // Called when a buffer referencing a captured VideoFrame is received from
     // Browser process.
-    virtual void OnBufferReceived(int buffer_id,
-                                  base::TimeTicks timestamp,
-                                  const base::DictionaryValue& metadata,
-                                  media::VideoPixelFormat pixel_format,
-                                  media::VideoFrame::StorageType storage_type,
-                                  const gfx::Size& coded_size,
-                                  const gfx::Rect& visible_rect,
-                                  const gpu::MailboxHolder& mailbox_holder) = 0;
+    virtual void OnBufferReceived(
+        int buffer_id,
+        base::TimeTicks timestamp,
+        const base::DictionaryValue& metadata,
+        media::VideoPixelFormat pixel_format,
+        media::VideoFrame::StorageType storage_type,
+        const gfx::Size& coded_size,
+        const gfx::Rect& visible_rect,
+        const std::vector<gpu::MailboxHolder>& mailbox_holders) = 0;
 
     // Called when state of a video capture device has changed in the browser
     // process.
@@ -98,6 +107,13 @@ class CONTENT_EXPORT VideoCaptureMessageFilter : public IPC::MessageFilter {
                        int length,
                        int buffer_id);
 
+  // Receive a newly created GpuMemoryBuffer backed buffer from browser process.
+  void OnGpuMemoryBufferCreated(
+      int device_id,
+      const std::vector<gfx::GpuMemoryBufferHandle>& gmb_handles,
+      const gfx::Size& size,
+      int buffer_id);
+
   // Release a buffer received by OnBufferCreated.
   void OnBufferDestroyed(int device_id,
                          int buffer_id);