Throttle rendering pipeline for invisible frames

third_party/WebKit/Source/core/frame/LocalFrame.cpp

Index: third_party/WebKit/Source/core/frame/LocalFrame.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.cpp b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
index c0b3b8d0f8d02582cc351d9b9eb321b87db82949..5b41610d7cb1e9032e1d94a01c022accbb981eb2 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
@@ -841,6 +841,16 @@ String LocalFrame::localLayerTreeAsText(unsigned flags) const
     return contentLayoutObject()->compositor()->layerTreeAsText(static_cast<LayerTreeFlags>(flags));
 }
 
+bool LocalFrame::shouldThrottleRenderingPipeline() const
+{
+    return view() && view()->shouldThrottleRenderingPipeline();
+}
+
+bool LocalFrame::shouldThrottleStyleLayoutAndCompositingUpdates() const
+{
+    return view() && view()->shouldThrottleStyleLayoutAndCompositingUpdates();
+}
+
 inline LocalFrame::LocalFrame(FrameLoaderClient* client, FrameHost* host, FrameOwner* owner)
     : Frame(client, host, owner)
     , m_loader(this)