aw: Ensure invalidation when pipeline is stalled

android_webview/browser/shared_renderer_state.cc

Index: android_webview/browser/shared_renderer_state.cc
diff --git a/android_webview/browser/shared_renderer_state.cc b/android_webview/browser/shared_renderer_state.cc
index 5450da63c83ba901b54f786dc2411667fff3fb63..2ed6667a6fcbdcb98ae954f7031fc6a37a6a5deb 100644
--- a/android_webview/browser/shared_renderer_state.cc
+++ b/android_webview/browser/shared_renderer_state.cc
@@ -186,6 +186,18 @@ void SharedRendererState::PostExternalDrawConstraintsToChildCompositor(
   }
 }
 
+void SharedRendererState::DidSkipCommitFrame() {
+  ui_loop_->PostTask(
+      FROM_HERE,
+      base::Bind(&SharedRendererState::DidSkipCommitFrameOnUIThread,
+                 ui_thread_weak_ptr_));
+}
+
+void SharedRendererState::DidSkipCommitFrameOnUIThread() {
+  // TODO(boliu): Ugly hack.
+  client_on_ui_->PostInvalidate();

[boliu, 2014/10/20 17:36:09]

This is horrible. Any brilliant ideas how to make this saner?

+}
+
 const ParentCompositorDrawConstraints
 SharedRendererState::ParentDrawConstraints() const {
   base::AutoLock lock(lock_);