[DevTools] Remove handlers = browser from protocol definition.

content/browser/devtools/protocol/memory_handler.h

 // Copyright 2015 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_MEMORY_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_MEMORY_HANDLER_H_
 
 #include "base/macros.h"
 #include "content/browser/devtools/protocol/devtools_protocol_dispatcher.h"
 
 namespace content {
 namespace devtools {
 namespace memory {
 
 class MemoryHandler {
  public:
   MemoryHandler();
   ~MemoryHandler();
 
   typedef DevToolsProtocolClient::Response Response;
   Response SetPressureNotificationsSuppressed(bool suppressed);
   Response SimulatePressureNotification(const std::string& level);
+  Response GetDOMCounters(int* documents, int* nodes, int* event_listeners);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MemoryHandler);
 };
 
 }  // namespace memory
 }  // namespace devtools
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_MEMORY_HANDLER_H_