Fix WebGL tex-image-and-sub-image-2d-with-video-rgb{565,4444,5551} tests on Android.

Source/core/html/canvas/WebGLRenderingContextBase.cpp

Index: Source/core/html/canvas/WebGLRenderingContextBase.cpp
diff --git a/Source/core/html/canvas/WebGLRenderingContextBase.cpp b/Source/core/html/canvas/WebGLRenderingContextBase.cpp
index 4c7cc57438bcead5516d20fa34c7911ad4e7c9e6..1f1288f7f0fcd95bffbb33106e102646e8991c1f 100644
--- a/Source/core/html/canvas/WebGLRenderingContextBase.cpp
+++ b/Source/core/html/canvas/WebGLRenderingContextBase.cpp
@@ -3927,8 +3927,9 @@ void WebGLRenderingContextBase::texImage2D(GLenum target, GLint level, GLenum in
     // Otherwise, it will fall back to the normal SW path.
     WebGLTexture* texture = validateTextureBinding("texImage2D", target, true);
     ASSERT(texture);
-    if (Extensions3DUtil::canUseCopyTextureCHROMIUM(target, internalformat, type, level)) {
-        if (video->copyVideoTextureToPlatformTexture(webContext(), texture->object(), internalformat, type, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
+    if (GL_TEXTURE_2D == target) {

[Sami, 2015/06/19 06:15:58]

I assume the intention is that we want to try using the secondary YUV conversion
path for all TEXTURE_2D video textures instead of just ones that support
copyVideoTextureToPlatformTexture? Any idea why the software fallback wasn't
working?

+        if (Extensions3DUtil::canUseCopyTextureCHROMIUM(target, internalformat, type, level)
+            && video->copyVideoTextureToPlatformTexture(webContext(), texture->object(), internalformat, type, m_unpackPremultiplyAlpha, m_unpackFlipY)) {
             texture->setLevelInfo(target, level, internalformat, video->videoWidth(), video->videoHeight(), 1, type);
             return;
         }