Hook up loading signal to ResourceScheduler.

content/browser/renderer_host/render_view_host_impl.cc

Index: content/browser/renderer_host/render_view_host_impl.cc
diff --git a/content/browser/renderer_host/render_view_host_impl.cc b/content/browser/renderer_host/render_view_host_impl.cc
index f91a5d72fbe500452e7c8e7e2893dbe38124b35b..bd35f30cfe2e17de03fa99754903123f5a6867a5 100644
--- a/content/browser/renderer_host/render_view_host_impl.cc
+++ b/content/browser/renderer_host/render_view_host_impl.cc
@@ -836,6 +836,20 @@ void RenderViewHostImpl::DirectoryEnumerationFinished(
                                               files));
 }
 
+void RenderViewHostImpl::SetIsLoading(bool is_loading) {
+  if (ResourceDispatcherHostImpl::Get()) {
+    BrowserThread::PostTask(
+        BrowserThread::IO,
+        FROM_HERE,
+        base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostSetIsLoading,
+                   base::Unretained(ResourceDispatcherHostImpl::Get()),
+                   GetProcess()->GetID(),
+                   GetRoutingID(),
+                   is_loading));
+  }
+  RenderWidgetHostImpl::SetIsLoading(is_loading);
+}
+
 void RenderViewHostImpl::LoadStateChanged(
     const GURL& url,
     const net::LoadStateWithParam& load_state,