gpu: Add support for GLX_EXT_texture_from_pixmap extension.

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 81da444761578b7c5d006b8b0db4a44af3608da7..57af88c6a94768275d0864b7c7817a1ee6609763 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -963,6 +963,17 @@ int32 RenderThreadImpl::CreateViewCommandBuffer(
   return route_id;
 }
 
+void RenderThreadImpl::CreateImage(
+    gfx::PluginWindowHandle window,
+    int32 image_id,
+    const CreateImageCallback& callback) {
+  NOTREACHED();
+}
+
+void RenderThreadImpl::DeleteImage(int32 image_id, int32 sync_point) {
+  NOTREACHED();
+}
+
 void RenderThreadImpl::DoNotSuspendWebKitSharedTimer() {
   suspend_webkit_shared_timer_ = false;
 }