webgl: optimize webgl.texSubImage2D(video) path.

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

Index: third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp b/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
index fe5170644016ab7a1e42efe73e22ff1a051996b1..c50568a000e7bc561460b4a5fc93fac51bf6234c 100644
--- a/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLVideoElement.cpp
@@ -206,13 +206,13 @@ void HTMLVideoElement::paintCurrentFrame(SkCanvas* canvas, const IntRect& destRe
     webMediaPlayer()->paint(canvas, destRect, paint ? paint->getAlpha() : 0xFF, mode);
 }
 
-bool HTMLVideoElement::copyVideoTextureToPlatformTexture(WebGraphicsContext3D* context, Platform3DObject texture, GLenum internalFormat, GLenum type, bool premultiplyAlpha, bool flipY)
+bool HTMLVideoElement::copyVideoTextureToPlatformTexture(WebGraphicsContext3D* context, const WebMediaPlayer::CopyVideoTextureParams& params)
 {
     if (!webMediaPlayer())
         return false;
 
-    ASSERT(Extensions3DUtil::canUseCopyTextureCHROMIUM(GL_TEXTURE_2D, internalFormat, type, 0));
-    return webMediaPlayer()->copyVideoTextureToPlatformTexture(context, texture, internalFormat, type, premultiplyAlpha, flipY);
+    ASSERT(Extensions3DUtil::canUseCopyTextureCHROMIUM(params.target, params.internalFormat, params.type, params.level));
+    return webMediaPlayer()->copyVideoTextureToPlatformTexture(context, params);
 }
 
 bool HTMLVideoElement::hasAvailableVideoFrame() const