cc: zero/one-copy based on shared memory on IOS uses GL_TEXTURE_2D, not GL_TEXTURE_RECTANGLE_ARB.

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 8dd5297840c685c2f9532112f7cf2c78ac23f250..d96026d44e3fa85956ce9a4cff36cd92f5ef68c3 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -246,7 +246,9 @@ class CONTENT_EXPORT RenderThreadImpl : public RenderThread,
 
   bool is_one_copy_enabled() const { return is_one_copy_enabled_; }
 
-  bool use_image_external() const { return use_image_external_; }
+  unsigned use_image_texture_target() const {
+    return use_image_texture_target_;
+  }
 
   AppCacheDispatcher* appcache_dispatcher() const {
     return appcache_dispatcher_.get();
@@ -583,7 +585,7 @@ class CONTENT_EXPORT RenderThreadImpl : public RenderThread,
   bool is_distance_field_text_enabled_;
   bool is_zero_copy_enabled_;
   bool is_one_copy_enabled_;
-  bool use_image_external_;
+  unsigned use_image_texture_target_;
 
   std::map<int, mojo::MessagePipeHandle> pending_render_frame_connects_;