Migrate performance monitor to inspector instrumentation.

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

Index: third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
index c35966d6ddf7986b5bfcb1e2dce5241891a29ab2..8f557dc01e0b51b2de49a5e0f65957321fb746a1 100644
--- a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
@@ -135,7 +135,7 @@ bool shouldDisallowFetchForMainFrameScript(ResourceRequest& request,
   if (defer != FetchRequest::NoDefer)
     return false;
 
-  PerformanceMonitor::documentWriteFetchScript(&document);
+  InspectorInstrumentation::documentWriteFetchScript(&document);
 
   if (!request.url().protocolIsInHTTPFamily())
     return false;