ResourceScheduler get visual signal from RenderViewHostImpl

content/browser/renderer_host/render_view_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 196 matching lines @@
   } else {
     rvh_state_ = STATE_DEFAULT;
     instance_->increment_active_view_count();
   }
 
   if (ResourceDispatcherHostImpl::Get()) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostCreated,
                    base::Unretained(ResourceDispatcherHostImpl::Get()),
-                   GetProcess()->GetID(), GetRoutingID()));
+                   GetProcess()->GetID(), GetRoutingID(), !is_hidden()));
   }
 
 #if defined(ENABLE_BROWSER_CDMS)
   media_web_contents_observer_.reset(new MediaWebContentsObserver(this));
 #endif
 
   unload_event_monitor_timeout_.reset(new TimeoutMonitor(base::Bind(
       &RenderViewHostImpl::OnSwappedOut, weak_factory_.GetWeakPtr(), true)));
 }
 
@@ skipping 718 matching lines @@
   if (GetProcess()->HasConnection()) {
     RenderProcessHostImpl::ReleaseOnCloseACK(
         GetProcess(),
         delegate_->GetSessionStorageNamespaceMap(),
         GetRoutingID());
   }
 
   RenderWidgetHostImpl::Shutdown();
 }
 
+void RenderViewHostImpl::WasHidden() {
+  if (ResourceDispatcherHostImpl::Get()) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostWasHidden,
+                   base::Unretained(ResourceDispatcherHostImpl::Get()),
+                   GetProcess()->GetID(), GetRoutingID()));
+  }
+
+  RenderWidgetHostImpl::WasHidden();
+}
+
+void RenderViewHostImpl::WasShown(const ui::LatencyInfo& latency_info) {
+  if (ResourceDispatcherHostImpl::Get()) {
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostWasShown,
+                   base::Unretained(ResourceDispatcherHostImpl::Get()),
+                   GetProcess()->GetID(), GetRoutingID()));
+  }
+
+  RenderWidgetHostImpl::WasShown(latency_info);
+}
+
 bool RenderViewHostImpl::IsRenderView() const {
   return true;
 }
 
 void RenderViewHostImpl::CreateNewWindow(
     int route_id,
     int main_frame_route_id,
     const ViewHostMsg_CreateWindow_Params& params,
     SessionStorageNamespace* session_storage_namespace) {
   ViewHostMsg_CreateWindow_Params validated_params(params);
@@ skipping 566 matching lines @@
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->ResetForMainFrameSwap();
 }
 
 void RenderViewHostImpl::SelectWordAroundCaret() {
   Send(new ViewMsg_SelectWordAroundCaret(GetRoutingID()));
 }
 
 }  // namespace content