Port some files in chrome/common to Linux....

chrome/common/pref_service.cc

Index: chrome/common/pref_service.cc
===================================================================
--- chrome/common/pref_service.cc	(revision 5823)
+++ chrome/common/pref_service.cc	(working copy)
@@ -4,6 +4,7 @@
 
 #include "chrome/common/pref_service.h"
 
+#include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ -40,13 +41,10 @@
     int bytes_written = file_util::WriteFile(tmp_file_name, data_.c_str(),
                                              static_cast<int>(data_.length()));
     if (bytes_written != -1) {
-      if (!MoveFileEx(tmp_file_name.c_str(), file_name_.c_str(),
-                      MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING)) {
+      if (!file_util::Move(tmp_file_name, file_name_)) {
         // Rename failed. Try again on the off chance someone has locked either
         // file and hope we're successful the second time through.
-        BOOL move_result =
-            MoveFileEx(tmp_file_name.c_str(), file_name_.c_str(),
-                       MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING);
+        bool move_result = file_util::Move(tmp_file_name, file_name_);
         DCHECK(move_result);
       }
     }
@@ -56,7 +54,7 @@
   std::wstring file_name_;
   std::string data_;
 
-  DISALLOW_EVIL_CONSTRUCTORS(SaveLaterTask);
+  DISALLOW_COPY_AND_ASSIGN(SaveLaterTask);
 };
 
 // A helper function for RegisterLocalized*Pref that creates a Value* based on
@@ -75,23 +73,12 @@
     }
 
     case Value::TYPE_INTEGER: {
-      int num_int = 0;
-      int parsed_values = swscanf_s(resource_string.c_str(), L"%d", &num_int);
-      // This is a trusted value (comes from our locale dll), so it should
-      // successfully parse.
-      DCHECK(parsed_values == 1);
-      return Value::CreateIntegerValue(num_int);
+      return Value::CreateIntegerValue(StringToInt(resource_string));
       break;
     }
 
     case Value::TYPE_REAL: {
-      double num_double = 0.0;
-      int parsed_values = swscanf_s(resource_string.c_str(), L"%lf",
-                                    &num_double);
-      // This is a trusted value (comes from our locale dll), so it should
-      // successfully parse.
-      DCHECK(parsed_values == 1);
-      return Value::CreateRealValue(num_double);
+      return Value::CreateRealValue(StringToDouble(resource_string));
       break;
     }
 
@@ -121,8 +108,7 @@
     : persistent_(new DictionaryValue),
       transient_(new DictionaryValue),
       pref_filename_(pref_filename),
-#pragma warning(suppress: 4355)  // Okay to pass "this" here.
-      save_preferences_factory_(this) {
+      ALLOW_THIS_IN_INITIALIZER_LIST(save_preferences_factory_(this)) {
   LoadPersistentPrefs(pref_filename_);
 }
 
@@ -434,7 +420,7 @@
   // Verify that this observer doesn't already exist.
   NotificationObserverList::Iterator it(*observer_list);
   NotificationObserver* existing_obs;
-  while (existing_obs = it.GetNext()) {
+  while ((existing_obs = it.GetNext()) != NULL) {
     DCHECK(existing_obs != obs) << path << " observer already registered";
     if (existing_obs == obs)
       return;
@@ -640,7 +626,7 @@
 
   NotificationObserverList::Iterator it(*(observer_iterator->second));
   NotificationObserver* observer;
-  while (observer = it.GetNext()) {
+  while ((observer = it.GetNext()) != NULL) {
     observer->Observe(NOTIFY_PREF_CHANGED,
                       Source<PrefService>(this),
                       Details<std::wstring>(&path_str));
@@ -653,10 +639,10 @@
 PrefService::Preference::Preference(DictionaryValue* root_pref,
                                     const wchar_t* name,
                                     Value* default_value)
-      : root_pref_(root_pref),
+      : type_(Value::TYPE_NULL),
         name_(name),
         default_value_(default_value),
-        type_(Value::TYPE_NULL) {
+        root_pref_(root_pref) {
   DCHECK(name);
 
   if (default_value) {