Refactor SetClientID such that metrics rather than crash backs up the client id in Google Update set

components/breakpad/app/breakpad_client.h

 // Copyright 2013 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_BREAKPAD_APP_BREAKPAD_CLIENT_H_
 #define COMPONENTS_BREAKPAD_APP_BREAKPAD_CLIENT_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 28 matching lines @@
 #endif
 
 // Interface that the embedder implements.
 class BreakpadClient {
  public:
   BreakpadClient();
   virtual ~BreakpadClient();
 
   // Sets the Breakpad client ID, which is a unique identifier for the client
   // that is sending crash reports. After it is set, it should not be changed.
-  virtual void SetClientID(const std::string& client_id);
+  // |client_guid| may either be a full GUID or a GUID that was already stripped
+  // from its dashes.
+  virtual void SetBreakpadClientIdFromGUID(const std::string& client_guid);
 
 #if defined(OS_WIN)
   // Returns true if an alternative location to store the minidump files was
   // specified. Returns true if |crash_dir| was set.
   virtual bool GetAlternativeCrashDumpLocation(base::FilePath* crash_dir);
 
   // Returns a textual description of the product type and version to include
   // in the crash report.
   virtual void GetProductNameAndVersion(const base::FilePath& exe_path,
                                         base::string16* product_name,
@@ skipping 72 matching lines @@
   virtual void InstallAdditionalFilters(BreakpadRef breakpad);
 #endif
 
   // Returns true if breakpad should run in the given process type.
   virtual bool EnableBreakpadForProcess(const std::string& process_type);
 };
 
 }  // namespace breakpad
 
 #endif  // COMPONENTS_BREAKPAD_APP_BREAKPAD_CLIENT_H_