Upstream the code to pass StreamTextureManagerAndroid from GpuChannel to GLES2DecoderImpl

content/common/gpu/gpu_channel.h

Index: content/common/gpu/gpu_channel.h
diff --git a/content/common/gpu/gpu_channel.h b/content/common/gpu/gpu_channel.h
index 12ede695f06002cedc48bf614884654d21da7218..867c4ce8434645856a9c836a780bc7f90e0f9238 100644
--- a/content/common/gpu/gpu_channel.h
+++ b/content/common/gpu/gpu_channel.h
@@ -125,6 +125,12 @@ class GpuChannel : public IPC::Listener,
   void SetPreemptByCounter(
       scoped_refptr<gpu::RefCountedCounter> preempt_by_counter);
 
+#if defined(OS_ANDROID)
+  content::StreamTextureManagerAndroid* stream_texture_manager() {
+    return stream_texture_manager_.get();
+  }
+#endif
+
  protected:
   virtual ~GpuChannel();