Remove access to WebContents in RWHVA::SynchronousFrameMetadata()

content/browser/devtools/render_frame_devtools_agent_host.cc

Index: content/browser/devtools/render_frame_devtools_agent_host.cc
diff --git a/content/browser/devtools/render_frame_devtools_agent_host.cc b/content/browser/devtools/render_frame_devtools_agent_host.cc
index 0ac0be935d479efc60b8a33d0e14db89a88843c7..590bfd2bcf9adc9b17d590974bc904413e069022 100644
--- a/content/browser/devtools/render_frame_devtools_agent_host.cc
+++ b/content/browser/devtools/render_frame_devtools_agent_host.cc
@@ -1052,6 +1052,21 @@ void RenderFrameDevToolsAgentHost::OnSwapCompositorFrame(
   }
 }
 
+void RenderFrameDevToolsAgentHost::SignalSynchronousSwapCompositorFrame(
+    RenderFrameHost* frame_host,
+    cc::CompositorFrameMetadata* frame_metadata) {

[dgozman, 2016/11/08 23:36:01]

Take a class, not pointer to it.

[Jinsuk Kim, 2016/11/08 23:54:42]

Done.

+  scoped_refptr<RenderFrameDevToolsAgentHost> dtah(FindAgentHost(frame_host));
+  if (dtah) {
+    // Unblock the compositor.
+    BrowserThread::PostTask(
+        BrowserThread::UI, FROM_HERE,
+        base::Bind(
+            &RenderFrameDevToolsAgentHost::SynchronousSwapCompositorFrame,
+            dtah.get(),
+            base::Passed(frame_metadata)));

[dgozman, 2016/11/08 23:36:00]

base::Passed(std::move(frame_metadata))

[Jinsuk Kim, 2016/11/08 23:54:42]

Done.

+  }
+}
+
 void RenderFrameDevToolsAgentHost::SynchronousSwapCompositorFrame(
     cc::CompositorFrameMetadata frame_metadata) {
   if (page_handler_)