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

cc/layers/video_layer_impl.cc

Index: cc/layers/video_layer_impl.cc
diff --git a/cc/layers/video_layer_impl.cc b/cc/layers/video_layer_impl.cc
index 299c446ff609f621438cd36d0536f804f3b56460..4532f4d42d5bbbdeaae5de9a9440c9ca6303d120 100644
--- a/cc/layers/video_layer_impl.cc
+++ b/cc/layers/video_layer_impl.cc
@@ -309,6 +309,26 @@ void VideoLayerImpl::AppendQuads(RenderPass* render_pass,
       ValidateQuadResources(texture_quad);
       break;
     }
+    case VideoFrameExternalResources::Y_RESOURCE: {
+      DCHECK_EQ(frame_resources_.size(), 1u);
+      if (frame_resources_.size() < 1u)
+        break;
+      bool premultiplied_alpha = true;
+      gfx::PointF uv_top_left(0.f, 0.f);
+      gfx::PointF uv_bottom_right(tex_width_scale, tex_height_scale);
+      float opacity[] = {1.0f, 1.0f, 1.0f, 1.0f};
+      bool flipped = false;
+      bool nearest_neighbor = true;
+      TextureDrawQuad* texture_quad =
+          render_pass->CreateAndAppendDrawQuad<TextureDrawQuad>();
+      texture_quad->SetNew(shared_quad_state, quad_rect, opaque_rect,
+                           visible_quad_rect, frame_resources_[0].id,
+                           premultiplied_alpha, uv_top_left, uv_bottom_right,
+                           SK_ColorTRANSPARENT, opacity, flipped,
+                           nearest_neighbor, false);
+      ValidateQuadResources(texture_quad);
+      break;
+    }
     case VideoFrameExternalResources::STREAM_TEXTURE_RESOURCE: {
       DCHECK_EQ(frame_resources_.size(), 1u);
       if (frame_resources_.size() < 1u)