Add probe for V8.Complie

third_party/WebKit/Source/core/frame/PerformanceMonitor.h

Index: third_party/WebKit/Source/core/frame/PerformanceMonitor.h
diff --git a/third_party/WebKit/Source/core/frame/PerformanceMonitor.h b/third_party/WebKit/Source/core/frame/PerformanceMonitor.h
index 62b7601ff78efe125d2fc19e0be3bf7861596d99..fdb0610bac932d7eb1ab15dc05cab572ede82948 100644
--- a/third_party/WebKit/Source/core/frame/PerformanceMonitor.h
+++ b/third_party/WebKit/Source/core/frame/PerformanceMonitor.h
@@ -20,6 +20,7 @@ class ExecuteScript;
 class RecalculateStyle;
 class UpdateLayout;
 class UserCallback;
+class V8Compile;
 }
 
 class DOMWindow;
@@ -88,6 +89,9 @@ class CORE_EXPORT PerformanceMonitor final
   void Will(const probe::UserCallback&);
   void Did(const probe::UserCallback&);
 
+  void Will(const probe::V8Compile&);
+  void Did(const probe::V8Compile&);
+
   void DocumentWriteFetchScript(Document*);
 
   // Direct API for core.