Tiling priorities in Android Webview.

android_webview/browser/browser_view_renderer_client.h

Index: android_webview/browser/browser_view_renderer_client.h
diff --git a/android_webview/browser/browser_view_renderer_client.h b/android_webview/browser/browser_view_renderer_client.h
index 41fbf5a4b3b5c0d0fc16e983e8f730ddff9c9bc3..41d5e30226f960f520b31f41e56e3bd7da3f95bf 100644
--- a/android_webview/browser/browser_view_renderer_client.h
+++ b/android_webview/browser/browser_view_renderer_client.h
@@ -28,6 +28,11 @@ class BrowserViewRendererClient {
   // Called to trigger view invalidations.
   virtual void PostInvalidate() = 0;
 
+  // Called to trigger an invalidation on the view, if there is not another
+  // invalidate pending and the parent draw constraints in browser view
+  // renderer becomes stale.
+  virtual void InvalidateOnceIfNeeded() = 0;

[boliu, 2014/07/29 23:50:41]

Call this something like "ParentConstraintsUpdated".

[hush (inactive), 2014/07/30 00:11:32]

Renamed it to UpdateParentDrawConstraints. And renamed the function in shared
renderer state as well.
On 2014/07/29 23:50:41, boliu wrote:

+
   // Called to get view's absolute location on the screen.
   virtual gfx::Point GetLocationOnScreen() = 0;