Update {virtual,override,final} to follow C++11 style in components, round 2.

components/crash/app/breakpad_linux.cc

 // 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.
 
 // For linux_syscall_support.h. This makes it safe to call embedded system
 // calls when in seccomp mode.
 
 #include "components/crash/app/breakpad_linux.h"
 
 #include <fcntl.h>
@@ skipping 383 matching lines @@
 }
 
 #if defined(OS_CHROMEOS)
 // This subclass is used on Chromium OS to report crashes in a format easy for
 // the central crash reporting facility to understand.
 // Format is <name>:<data length in decimal>:<data>
 class CrashReporterWriter : public MimeWriter {
  public:
   explicit CrashReporterWriter(int fd);
 
-  virtual void AddBoundary() override;
+  void AddBoundary() override;
 
-  virtual void AddEnd() override;
+  void AddEnd() override;
 
-  virtual void AddPairData(const char* msg_type,
+  void AddPairData(const char* msg_type,
+                   size_t msg_type_size,
+                   const char* msg_data,
+                   size_t msg_data_size) override;
+
+  void AddPairDataInChunks(const char* msg_type,
                            size_t msg_type_size,
-                          const char* msg_data,
-                           size_t msg_data_size) override;
+                           const char* msg_data,
+                           size_t msg_data_size,
+                           size_t chunk_size,
+                           bool strip_trailing_spaces) override;
 
-  virtual void AddPairDataInChunks(const char* msg_type,
-                                   size_t msg_type_size,
-                                   const char* msg_data,
-                                   size_t msg_data_size,
-                                   size_t chunk_size,
-                                   bool strip_trailing_spaces) override;
-
-  virtual void AddFileContents(const char* filename_msg,
-                               uint8_t* file_data,
-                               size_t file_size) override;
+  void AddFileContents(const char* filename_msg,
+                       uint8_t* file_data,
+                       size_t file_size) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CrashReporterWriter);
 };
 
 
 CrashReporterWriter::CrashReporterWriter(int fd) : MimeWriter(fd, "") {}
 
 // No-ops.
 void CrashReporterWriter::AddBoundary() {}
@@ skipping 1276 matching lines @@
     }
   }
 }
 #endif  // OS_ANDROID
 
 bool IsCrashReporterEnabled() {
   return g_is_crash_reporter_enabled;
 }
 
 }  // namespace breakpad