Revert of DevTools: add the logging aspect into the PerformanceMonitor

content/browser/devtools/protocol/page_handler.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_
 
 #include <stddef.h>
 
 #include "base/compiler_specific.h"
@@ skipping 89 matching lines @@
                             bool* case_sensitive,
                             bool* is_regex);
   Response SetDocumentContent(const std::string& frame_id,
                               const std::string& html);
   Response ConfigureOverlay(const bool* is_suspended,
                             const std::string* message);
   Response GetAppManifest(
       std::string* url,
       std::vector<scoped_refptr<AppManifestError>>* errors,
       std::string* data);
+  Response SetBlockedEventsWarningThreshold(double threshold);
   Response GetLayoutMetrics(
       scoped_refptr<LayoutViewport>* layout_viewport,
       scoped_refptr<VisualViewport>* visual_viewport);
 
   std::unique_ptr<PageNavigationThrottle> CreateThrottleForNavigation(
       NavigationHandle* navigation_handle);
 
   void OnPageNavigationThrottleDisposed(int navigation_id);
   void NavigationRequested(const PageNavigationThrottle* throttle);
 
@@ skipping 48 matching lines @@
   base::WeakPtrFactory<PageHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PageHandler);
 };
 
 }  // namespace page
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_PAGE_HANDLER_H_