Require explicit selection of traits for LazyInstance

components/crash/content/browser/crash_dump_observer_android.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 COMPONENTS_CRASH_CONTENT_BROWSER_CRASH_DUMP_OBSERVER_ANDROID_H_
 #define COMPONENTS_CRASH_CONTENT_BROWSER_CRASH_DUMP_OBSERVER_ANDROID_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 52 matching lines @@
 
   // BrowserChildProcessStarted must be called from
   // ContentBrowserClient::GetAdditionalMappedFilesForChildProcess
   // overrides, to notify the CrashDumpObserver of child process
   // creation, and to allow clients to register any fd mappings they
   // need.
   void BrowserChildProcessStarted(int child_process_id,
                                   content::FileDescriptorInfo* mappings);
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<CrashDumpObserver>;
+  friend struct base::LazyInstanceTraitsBase<CrashDumpObserver>;
 
   CrashDumpObserver();
   ~CrashDumpObserver() override;
 
   // content::BrowserChildProcessObserver implementation:
   void BrowserChildProcessHostDisconnected(
       const content::ChildProcessData& data) override;
   void BrowserChildProcessCrashed(const content::ChildProcessData& data,
                                   int exit_code) override;
   // On Android we will never observe BrowserChildProcessCrashed
@@ skipping 19 matching lines @@
 
   // child_process_id to process id.
   std::map<int, base::ProcessHandle> child_process_id_to_pid_;
 
   DISALLOW_COPY_AND_ASSIGN(CrashDumpObserver);
 };
 
 }  // namespace breakpad
 
 #endif  // COMPONENTS_CRASH_CONTENT_BROWSER_CRASH_DUMP_OBSERVER_ANDROID_H_