16 bit capture and GPU&CPU memory buffer support.

content/browser/renderer_host/media/gpu_memory_buffer_tracker.cc

Index: content/browser/renderer_host/media/gpu_memory_buffer_tracker.cc
diff --git a/content/browser/renderer_host/media/gpu_memory_buffer_tracker.cc b/content/browser/renderer_host/media/gpu_memory_buffer_tracker.cc
index a19461f75f0c3348aee5bffdc24e65c1d01b259d..94ed032f1ae93d605ac8fc08e2715e15f831aadb 100644
--- a/content/browser/renderer_host/media/gpu_memory_buffer_tracker.cc
+++ b/content/browser/renderer_host/media/gpu_memory_buffer_tracker.cc
@@ -29,9 +29,10 @@ bool GpuMemoryBufferTracker::Init(const gfx::Size& dimensions,
   // Thread.
   DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(BrowserGpuMemoryBufferManager::current());
-  // This class is only expected to be called with I420 buffer requests at
-  // this point.
-  DCHECK_EQ(format, media::PIXEL_FORMAT_I420);
+  // This class is only expected to be called with I420 or Y16 buffer requests
+  // at this point.
+  DCHECK(media::PIXEL_FORMAT_I420 == format ||
+         media::PIXEL_FORMAT_Y16 == format);
   set_dimensions(dimensions);
   set_max_pixel_count(dimensions.GetArea());
   set_pixel_format(format);