cc: Remove SetMemoryPolicy from OutputSurface and Display.

android_webview/browser/surfaces_instance.h

Index: android_webview/browser/surfaces_instance.h
diff --git a/android_webview/browser/surfaces_instance.h b/android_webview/browser/surfaces_instance.h
index 5dec3d8b227f3fe22be40c2c18fe9d2a62b84c69..d036eef714f5cd41a8eb2fc0ad57dcc50bd02058 100644
--- a/android_webview/browser/surfaces_instance.h
+++ b/android_webview/browser/surfaces_instance.h
@@ -60,7 +60,6 @@ class SurfacesInstance : public base::RefCounted<SurfacesInstance>,
 
   // cc::DisplayClient overrides.
   void DisplayOutputSurfaceLost() override {}
-  void DisplaySetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override {}
   void DisplayWillDrawAndSwap(
       bool will_draw_and_swap,
       const cc::RenderPassList& render_passes) override {}