Revert of "webgl: optimize webgl.texSubImage2D(video) path."

third_party/WebKit/public/platform/WebMediaPlayer.h

Index: third_party/WebKit/public/platform/WebMediaPlayer.h
diff --git a/third_party/WebKit/public/platform/WebMediaPlayer.h b/third_party/WebKit/public/platform/WebMediaPlayer.h
index cf26022dd57a1da0b49f38e6a0e3a8d8736c58f2..9670be708b07fb7e817505c80246021d29f37898 100644
--- a/third_party/WebKit/public/platform/WebMediaPlayer.h
+++ b/third_party/WebKit/public/platform/WebMediaPlayer.h
@@ -164,32 +164,17 @@
 
     virtual void paint(WebCanvas*, const WebRect&, unsigned char alpha, SkXfermode::Mode) = 0;
 
+    // TODO(dshwang): remove non-|target| version. crbug.com/349871
+    virtual bool copyVideoTextureToPlatformTexture(WebGraphicsContext3D*, unsigned texture, unsigned internalFormat, unsigned type, bool premultiplyAlpha, bool flipY) { return false; }
+
     // Do a GPU-GPU textures copy. If the copy is impossible or fails, it returns false.
-    // Copy the video frame texture to full texture or sub texture depending on |copyType|.
-    // If FullCopy, |xoffset| and |yoffset| must be 0.
-    // If SubCopy, |internalFormat| and |type| must be GL_FALSE.
-    struct CopyVideoTextureParams {
-        enum CopyType { FullCopy, SubCopy };
-        CopyVideoTextureParams(CopyType copyType, unsigned target,
-            unsigned texture, unsigned internalFormat, unsigned type, int level,
-            int xoffset, int yoffset, bool premultiplyAlpha, bool flipY)
-            : copyType(copyType), target(target), texture(texture)
-            , internalFormat(internalFormat) , type(type), level(level)
-            , xoffset(xoffset), yoffset(yoffset)
-            , premultiplyAlpha(premultiplyAlpha), flipY(flipY)
-        { }
-        CopyType copyType;
-        unsigned target;
-        unsigned texture;
-        unsigned internalFormat;
-        unsigned type;
-        int level;
-        int xoffset;
-        int yoffset;
-        bool premultiplyAlpha;
-        bool flipY;
-    };
-    virtual bool copyVideoTextureToPlatformTexture(WebGraphicsContext3D*, const CopyVideoTextureParams&) = 0;
+    virtual bool copyVideoTextureToPlatformTexture(WebGraphicsContext3D*, unsigned target,
+        unsigned texture, unsigned internalFormat, unsigned type, int level,
+        bool premultiplyAlpha, bool flipY) { return false; }
+    // Copy sub video frame texture to |texture|. If the copy is impossible or fails, it returns false.
+    virtual bool copyVideoSubTextureToPlatformTexture(WebGraphicsContext3D*, unsigned target,
+        unsigned texture, int level, int xoffset, int yoffset, bool premultiplyAlpha,
+        bool flipY) { return false; }
 
     virtual WebAudioSourceProvider* audioSourceProvider() { return nullptr; }