Enable video painting on Canvas for Chrome on Android.

Source/WebKit/chromium/src/WebMediaPlayerClientImpl.h

Index: Source/WebKit/chromium/src/WebMediaPlayerClientImpl.h
diff --git a/Source/WebKit/chromium/src/WebMediaPlayerClientImpl.h b/Source/WebKit/chromium/src/WebMediaPlayerClientImpl.h
index 32e3c4d650c61d14e723ce8f32525c19e2e26b92..6ebf76032efd0df9db0e8d83f8f7c4a15be31ea7 100644
--- a/Source/WebKit/chromium/src/WebMediaPlayerClientImpl.h
+++ b/Source/WebKit/chromium/src/WebMediaPlayerClientImpl.h
@@ -35,6 +35,10 @@
 
 #include "AudioSourceProvider.h"
 #include "MediaPlayerPrivate.h"
+#if defined(OS_ANDROID)
+#include "SkRefCnt.h"
+#include "SkBitmap.h"
+#endif
 #include "WebAudioSourceProviderClient.h"
 #include "WebMediaPlayerClient.h"
 #include <wtf/OwnPtr.h>
@@ -171,6 +175,15 @@ private:
     bool acceleratedRenderingInUse();
 #endif
 
+#if defined(OS_ANDROID)
+    // FIXME: This path "only works" on Android. It is a workaround for the problem that Skia could not handle Android's GL_TEXTURE_EXTERNAL_OES
+    // texture internally. It should be removed and replaced by the normal paint path.
+    // https://code.google.com/p/skia/issues/detail?id=1189&q=texture&colspec=ID%20Type%20Status%20Priority%20Owner%20Summary

[scherkus (not reviewing), 2013/04/09 18:31:26]

nit: can you remove everything starting from "&q=" onwards from the URL?

[hkuang, 2013/04/09 21:38:09]

Done. Going to land this change.

+    void paintOnAndroid(WebCore::GraphicsContext* context, WebCore::GraphicsContext3D* context3D, const WebCore::IntRect& rect, uint8_t alpha);
+    SkAutoTUnref<GrTexture> m_texture;
+    SkBitmap m_bitmap;
+#endif
+
     WebCore::MediaPlayer* m_mediaPlayer;
     OwnPtr<WebMediaPlayer> m_webMediaPlayer;
     WebCore::KURL m_url;