Enable texture readback support for Android

content/browser/renderer_host/render_widget_host_view_aura.cc

Index: content/browser/renderer_host/render_widget_host_view_aura.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_aura.cc b/content/browser/renderer_host/render_widget_host_view_aura.cc
index 7db4c5d42dab367688fa9906353760a87d209843..91473775b70534f14188f4fdb9a9d9f28f5a37fc 100644
--- a/content/browser/renderer_host/render_widget_host_view_aura.cc
+++ b/content/browser/renderer_host/render_widget_host_view_aura.cc
@@ -675,12 +675,12 @@ void RenderWidgetHostViewAura::CopyFromCompositingSurface(
   src_subrect_in_gl.set_y(GetViewBounds().height() - src_subrect.bottom());
 
   gfx::Rect src_subrect_in_pixel = ConvertRectToPixel(this, src_subrect_in_gl);
-  gl_helper->CopyTextureTo(container->PrepareTexture(),
-                           container->size(),
-                           src_subrect_in_pixel,
-                           dst_size_in_pixel,
-                           addr,
-                           wrapper_callback);
+  gl_helper->CropScaleReadbackAndCleanTexture(container->PrepareTexture(),
+                                              container->size(),
+                                              src_subrect_in_pixel,
+                                              dst_size_in_pixel,
+                                              addr,
+                                              wrapper_callback);
 }
 
 void RenderWidgetHostViewAura::OnAcceleratedCompositingStateChange() {