Migrate performance monitor to inspector instrumentation.

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

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 333d17dea30e5a45a176685a846d9fb2bab5e21e..d8162bd59d628d623f3cc45fa9e0f5d6a1835d6b 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -53,7 +53,6 @@
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Location.h"
 #include "core/frame/PageScaleConstraintsSet.h"
-#include "core/frame/PerformanceMonitor.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/RemoteFrameView.h"
 #include "core/frame/Settings.h"
@@ -1172,7 +1171,7 @@ void FrameView::layout() {
   Document* document = m_frame->document();
   TRACE_EVENT_BEGIN1("devtools.timeline", "Layout", "beginData",
                      InspectorLayoutEvent::beginData(this));
-  PerformanceMonitor::willUpdateLayout(document);
+  InspectorInstrumentation::willUpdateLayout(document);
 
   performPreLayoutTasks();
 
@@ -1316,7 +1315,6 @@ void FrameView::layout() {
   TRACE_EVENT_END1("devtools.timeline", "Layout", "endData",
                    InspectorLayoutEvent::endData(rootForThisLayout));
   InspectorInstrumentation::didUpdateLayout(m_frame.get());
-  PerformanceMonitor::didUpdateLayout(document);
 
   m_nestedLayoutCount--;
   if (m_nestedLayoutCount)