[backup] Add MediaRecorderHandler (video part)

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index c4a009dc7ab3ff296833d3ed099402d86a7bbe44..af837375a9111cc21ead05bb4142013b9aba6a34 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -126,6 +126,7 @@
 #endif
 
 #if defined(ENABLE_WEBRTC)
+#include "content/renderer/media/media_recorder_handler.h"
 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 #endif
 
@@ -139,6 +140,7 @@ using blink::WebGamepad;
 using blink::WebGamepads;
 using blink::WebIDBFactory;
 using blink::WebMIDIAccessor;
+using blink::WebMediaRecorderHandler;
 using blink::WebMediaStreamCenter;
 using blink::WebMediaStreamCenterClient;
 using blink::WebMimeRegistry;
@@ -865,6 +867,12 @@ void RendererBlinkPlatformImpl::sampleGamepads(WebGamepads& gamepads) {
 }
 
 //------------------------------------------------------------------------------
+WebMediaRecorderHandler*
+RendererBlinkPlatformImpl::createMediaRecorderHandler() {
+  return new content::MediaRecorderHandler();
+}
+
+//------------------------------------------------------------------------------
 
 WebRTCPeerConnectionHandler*
 RendererBlinkPlatformImpl::createRTCPeerConnectionHandler(