EVEA cleanup: use video utility functions in media::*

content/browser/renderer_host/media/video_capture_controller.cc

Index: content/browser/renderer_host/media/video_capture_controller.cc
diff --git a/content/browser/renderer_host/media/video_capture_controller.cc b/content/browser/renderer_host/media/video_capture_controller.cc
index bac43289a214164353fe028bf61d7c311ec02431..3efc4ce26edf02b563027172c47cd4104634d7d0 100644
--- a/content/browser/renderer_host/media/video_capture_controller.cc
+++ b/content/browser/renderer_host/media/video_capture_controller.cc
@@ -573,8 +573,11 @@ void VideoCaptureController::DoFrameInfoOnIOThread() {
     return;
 
   scoped_refptr<VideoCaptureBufferPool> buffer_pool =
-      new VideoCaptureBufferPool(frame_info_.width * frame_info_.height * 3 / 2,
-                                 kNoOfBuffers);
+      new VideoCaptureBufferPool(
+          media::VideoFrame::AllocationSize(
+              media::VideoFrame::I420,
+              gfx::Size(frame_info_.width, frame_info_.height)),
+          kNoOfBuffers);
 
   // Check whether all buffers were created successfully.
   if (!buffer_pool->Allocate()) {