Remove android webview rendering cruft

android_webview/browser/parent_compositor_draw_constraints.h

Index: android_webview/browser/parent_compositor_draw_constraints.h
diff --git a/android_webview/browser/parent_compositor_draw_constraints.h b/android_webview/browser/parent_compositor_draw_constraints.h
index 4355aa9feedb24c5da5663a3d78245dee8be51d6..c8e535c9c9b642ed25bfe1bc0587d2cb0831f4d2 100644
--- a/android_webview/browser/parent_compositor_draw_constraints.h
+++ b/android_webview/browser/parent_compositor_draw_constraints.h
@@ -10,6 +10,8 @@
 
 namespace android_webview {
 
+class ChildFrame;
+
 struct ParentCompositorDrawConstraints {
   bool is_layer;
   gfx::Transform transform;
@@ -19,7 +21,7 @@ struct ParentCompositorDrawConstraints {
   ParentCompositorDrawConstraints(bool is_layer,
                                   const gfx::Transform& transform,
                                   const gfx::Rect& surface_rect);
-  bool Equals(const ParentCompositorDrawConstraints& other) const;
+  bool NeedUpdate(const ChildFrame& frame) const;
 };
 
 }  // namespace android_webview