Final batch adding real histogram values for extension events.

extensions/browser/api/web_request/web_request_api.h

Index: extensions/browser/api/web_request/web_request_api.h
diff --git a/extensions/browser/api/web_request/web_request_api.h b/extensions/browser/api/web_request/web_request_api.h
index 3a692ea9f115166b76612a574d3565f0d020bd21..49bed01b9de2d19c0439e3c446e44c956228f0bb 100644
--- a/extensions/browser/api/web_request/web_request_api.h
+++ b/extensions/browser/api/web_request/web_request_api.h
@@ -85,8 +85,6 @@ class WebRequestAPI : public BrowserContextKeyedAPI,
   DISALLOW_COPY_AND_ASSIGN(WebRequestAPI);
 };
 
-}  // namespace extensions
-
 // This class observes network events and routes them to the appropriate
 // extensions listening to those events. All methods must be called on the IO
 // thread unless otherwise specified.
@@ -556,4 +554,6 @@ class WebRequestHandlerBehaviorChangedFunction
   bool RunSync() override;
 };
 
+}  // namespace extensions
+
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_