[tracing] Add names to memory-infra dumpers for debugging

content/child/blink_platform_impl.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_CHILD_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/threading/thread_local_storage.h"
@@ skipping 126 matching lines @@
       double timestamp,
       int num_args,
       const char** arg_names,
       const unsigned char* arg_types,
       const unsigned long long* arg_values,
       blink::WebConvertableToTraceFormat* convertable_values,
       unsigned char flags);
   void updateTraceEventDuration(const unsigned char* category_group_enabled,
                                 const char* name,
                                 TraceEventHandle) override;
-  void registerMemoryDumpProvider(blink::WebMemoryDumpProvider* wmdp) override;
+  void registerMemoryDumpProvider(blink::WebMemoryDumpProvider* wmdp,
+                                  const char* name) override;
   void unregisterMemoryDumpProvider(
       blink::WebMemoryDumpProvider* wmdp) override;
   blink::WebProcessMemoryDump* createProcessMemoryDump() override;
   blink::Platform::WebMemoryAllocatorDumpGuid createWebMemoryAllocatorDumpGuid(
       const blink::WebString& guidStr) override;
 
   blink::WebData loadResource(const char* name) override;
   blink::WebString queryLocalizedString(
       blink::WebLocalizedString::Name name) override;
   virtual blink::WebString queryLocalizedString(
@@ skipping 50 matching lines @@
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
   scoped_refptr<PushDispatcher> push_dispatcher_;
   scoped_ptr<PermissionDispatcher> permission_client_;
   scoped_ptr<BackgroundSyncProvider> main_thread_sync_provider_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_