WebGL & 16-bit video stream: upload to FLOAT texture.

third_party/WebKit/Source/core/html/HTMLVideoElement.h

Index: third_party/WebKit/Source/core/html/HTMLVideoElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLVideoElement.h b/third_party/WebKit/Source/core/html/HTMLVideoElement.h
index 1f91b29aa9319642c9e85a9f0b68c7a54bfa6e2c..8d340367e133ff04bea47e9eea36e3193d052ee6 100644
--- a/third_party/WebKit/Source/core/html/HTMLVideoElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLVideoElement.h
@@ -79,6 +79,20 @@ class CORE_EXPORT HTMLVideoElement final : public HTMLMediaElement,
                                          bool premultiplyAlpha,
                                          bool flipY);
 
+  // Used by WebGL to do CPU-GPU texture upload if possible.
+  bool texImageImpl(WebMediaPlayer::TexImageFunctionID,
+                    GLenum target,
+                    gpu::gles2::GLES2Interface*,
+                    GLint level,
+                    GLint internalformat,
+                    GLenum format,
+                    GLenum type,
+                    GLint xoffset,
+                    GLint yoffset,
+                    GLint zoffset,
+                    bool flipY,
+                    bool premultiplyAlpha);
+
   bool shouldDisplayPosterImage() const { return getDisplayMode() == Poster; }
 
   bool hasAvailableVideoFrame() const;