ozone: ClientPixmapManager passes VGEM fd from browser to renderer.

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 8e99eaf2566f61e712fbd9584f634ed33a1b9004..1658f6777ef8faad0cf111fc50aa8001c1ff3706 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -115,6 +115,10 @@ class VideoCaptureImplManager;
 class WebGraphicsContext3DCommandBufferImpl;
 class WebRTCIdentityService;
 
+#if defined(USE_OZONE)
+class ChildClientNativePixmapManagerMessageFilter;
+#endif
+
 #if defined(COMPILER_MSVC)
 // See explanation for other RenderViewHostImpl which is the same issue.
 #pragma warning(push)
@@ -581,6 +585,11 @@ class CONTENT_EXPORT RenderThreadImpl
 
   scoped_refptr<BluetoothMessageFilter> bluetooth_message_filter_;
 
+#if defined(USE_OZONE)
+  scoped_refptr<ChildClientNativePixmapManagerMessageFilter>
+      client_native_pixmap_manager_message_filter_;
+#endif
+
   scoped_refptr<cc_blink::ContextProviderWebContext>
       shared_main_thread_contexts_;