Convert base dependencies to use sys_string_conversions instead of the ICU...

base/file_version_info_mac.mm

Index: base/file_version_info_mac.mm
===================================================================
--- base/file_version_info_mac.mm	(revision 28166)
+++ base/file_version_info_mac.mm	(working copy)
@@ -9,6 +9,7 @@
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 
 FileVersionInfo::FileVersionInfo(NSBundle *bundle) : bundle_(bundle) {
   [bundle_ retain];
@@ -43,15 +44,15 @@
 }
 
 std::wstring FileVersionInfo::company_name() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::company_short_name() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::internal_name() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::product_name() {
@@ -63,7 +64,7 @@
 }
 
 std::wstring FileVersionInfo::comments() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::legal_copyright() {
@@ -75,22 +76,22 @@
 }
 
 std::wstring FileVersionInfo::file_description() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::legal_trademarks() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::private_build() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::file_version() {
   // CFBundleVersion has limitations that may not be honored by a
   // proper Chromium version number, so try KSVersion first.
   std::wstring version = GetStringValue(L"KSVersion");
-  if (version == L"")
+  if (version.empty())
     version = GetStringValue(L"CFBundleVersion");
   return version;
 }
@@ -100,7 +101,7 @@
 }
 
 std::wstring FileVersionInfo::special_build() {
-  return L"";
+  return std::wstring();
 }
 
 std::wstring FileVersionInfo::last_change() {
@@ -132,5 +133,5 @@
   std::wstring str;
   if (GetValue(name, &str))
     return str;
-  return L"";
+  return std::wstring();
 }