Add TimeToScrollUpdateSwapBegin2 in RAPPOR

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 705372f509de803d907af7869889f3b9dcbd06d4..aa1ecc05ff81c319ad91c2c2054bd7f50c9326ab 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -95,6 +95,10 @@ namespace mojom {
 class CreateNewWindowParams;
 }
 
+namespace rappor {
+class RapporService;
+}
+
 #if defined(OS_ANDROID)
 class WebContentsAndroid;
 #endif
@@ -139,6 +143,9 @@ class CONTENT_EXPORT WebContentsImpl
   // members call back into our virtual functions in the constructor.
   virtual void Init(const WebContents::CreateParams& params);
 
+  ::rappor::RapporService* getRapporService() override;
+  std::string getRapporCommittedUrl() override;
+
   // Returns the SavePackage which manages the page saving job. May be NULL.
   SavePackage* save_package() const { return save_package_.get(); }