16 bpp video stream capture, render and WebGL usage - Realsense R200 & SR300 support.

content/renderer/media/renderer_gpu_video_accelerator_factories.cc

Index: content/renderer/media/renderer_gpu_video_accelerator_factories.cc
diff --git a/content/renderer/media/renderer_gpu_video_accelerator_factories.cc b/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
index 754c1006cc99f6ff22b45c8d2be9a99d8e28332d..3d7730426ebbe8a748e11c353aab6d2bdafcba24 100644
--- a/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
+++ b/content/renderer/media/renderer_gpu_video_accelerator_factories.cc
@@ -246,12 +246,17 @@ unsigned RendererGpuVideoAcceleratorFactories::ImageTextureTarget(
 }
 
 media::GpuVideoAcceleratorFactories::OutputFormat
-RendererGpuVideoAcceleratorFactories::VideoFrameOutputFormat() {
+RendererGpuVideoAcceleratorFactories::VideoFrameOutputFormat(
+    media::VideoPixelFormat format) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (CheckContextLost())
     return media::GpuVideoAcceleratorFactories::OutputFormat::UNDEFINED;
   cc::ContextProvider::ScopedContextLock lock(context_provider_);
   auto capabilities = context_provider_->ContextCapabilities();
+  if (format == media::PIXEL_FORMAT_Y16)
+    return capabilities.texture_rg
+               ? media::GpuVideoAcceleratorFactories::OutputFormat::Y16
+               : media::GpuVideoAcceleratorFactories::OutputFormat::UNDEFINED;
   if (capabilities.image_ycbcr_420v)
     return media::GpuVideoAcceleratorFactories::OutputFormat::NV12_SINGLE_GMB;
   if (capabilities.image_ycbcr_422)