Breakpad Linux: Do not use std::string in a compromised context.

components/crash/app/crash_reporter_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_CRASH_APP_CRASH_REPORTER_CLIENT_H_
 #define COMPONENTS_CRASH_APP_CRASH_REPORTER_CLIENT_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 80 matching lines @@
 
   // Invoked when initializing the crash reporter in the browser process.
   virtual void InitBrowserCrashDumpsRegKey();
 
   // Invoked before attempting to write a minidump.
   virtual void RecordCrashDumpAttempt(bool is_real_crash);
 #endif
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_IOS)
   // Returns a textual description of the product type and version to include
-  // in the crash report.
-  virtual void GetProductNameAndVersion(std::string* product_name,
-                                        std::string* version);
+  // in the crash report. Neither out parameter should be set to NULL.
+  virtual void GetProductNameAndVersion(const char** product_name,
+                                        const char** version);
 
   virtual base::FilePath GetReporterLogFilename();
 #endif
 
   // The location where minidump files should be written. Returns true if
   // |crash_dir| was set.
   virtual bool GetCrashDumpLocation(base::FilePath* crash_dir);
 
   // Register all of the potential crash keys that can be sent to the crash
   // reporting server. Returns the size of the union of all keys.
@@ skipping 21 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 crash_reporter
 
 #endif  // COMPONENTS_CRASH_APP_CRASH_REPORTER_CLIENT_H_