Add Android fingerprint to metrics logs

base/sys_info_android.cc

 // Copyright (c) 2012 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.
 
 #include "base/sys_info.h"
 
 #include <sys/system_properties.h>
 
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
@@ skipping 65 matching lines @@
 int GetDalvikHeapSizeMB() {
   char heap_size_str[PROP_VALUE_MAX];
   __system_property_get("dalvik.vm.heapsize", heap_size_str);
   return ParseHeapSize(heap_size_str);
 }
 
 }  // anonymous namespace
 
 namespace base {
 
+std::string SysInfo::OperatingSystemName() {
+  return "Android";
+}
+
 std::string SysInfo::GetAndroidBuildCodename() {
   char os_version_codename_str[PROP_VALUE_MAX];
   __system_property_get("ro.build.version.codename", os_version_codename_str);
   return std::string(os_version_codename_str);
 }
 
 std::string SysInfo::GetAndroidBuildID() {
   char os_build_id_str[PROP_VALUE_MAX];
   __system_property_get("ro.build.id", os_build_id_str);
   return std::string(os_build_id_str);
@@ skipping 16 matching lines @@
   ParseOSVersionNumbers(os_version_str, major_version, minor_version,
                         bugfix_version);
 }
 
 int SysInfo::DalvikHeapSizeMB() {
   static int heap_size = GetDalvikHeapSizeMB();
   return heap_size;
 }
 
 }  // namespace base