Reland of Revert of gpu: introduce glCopySubTextureCHROMIUM (patchset #1 id:1 of https://codereview…

content/renderer/media/android/webmediaplayer_android.cc

Index: content/renderer/media/android/webmediaplayer_android.cc
diff --git a/content/renderer/media/android/webmediaplayer_android.cc b/content/renderer/media/android/webmediaplayer_android.cc
index d3b0dcbf0ebd69ab335dd6b38c96900459bea07d..47c37bdb1cef1d0ac8911bedde353458b31a9608 100644
--- a/content/renderer/media/android/webmediaplayer_android.cc
+++ b/content/renderer/media/android/webmediaplayer_android.cc
@@ -643,6 +643,18 @@ bool WebMediaPlayerAndroid::copyVideoTextureToPlatformTexture(
     unsigned int type,
     bool premultiply_alpha,
     bool flip_y) {
+  return copyVideoTextureToPlatformTexture(web_graphics_context, texture,
+                                           internal_format, type,
+                                           premultiply_alpha, flip_y);
+}
+
+bool WebMediaPlayerAndroid::copyVideoTextureToPlatformTexture(
+    blink::WebGraphicsContext3D* web_graphics_context,
+    unsigned int texture,
+    unsigned int internal_format,
+    unsigned int type,
+    bool premultiply_alpha,
+    bool flip_y) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
   // Don't allow clients to copy an encrypted video frame.
   if (needs_external_surface_)
@@ -679,9 +691,8 @@ bool WebMediaPlayerAndroid::copyVideoTextureToPlatformTexture(
   // flip_y==true means to reverse the video orientation while
   // flip_y==false means to keep the intrinsic orientation.
   web_graphics_context->pixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, flip_y);
-  web_graphics_context->copyTextureCHROMIUM(GL_TEXTURE_2D, src_texture,
-                                            texture, level, internal_format,
-                                            type);
+  web_graphics_context->copyTextureCHROMIUM(GL_TEXTURE_2D, src_texture, texture,
+                                            0, internal_format, type);
   web_graphics_context->pixelStorei(GL_UNPACK_FLIP_Y_CHROMIUM, false);
   web_graphics_context->pixelStorei(GL_UNPACK_PREMULTIPLY_ALPHA_CHROMIUM,
                                     false);