Revert "Added std::string to Value via Set/GetString overloading."

base/values.cc

Index: base/values.cc
diff --git a/base/values.cc b/base/values.cc
index b0160e176210e6ce24a627f9e658240fd49c5f4c..dd8062b8388f8fac31e580fa1bbd42e2f78532fe 100644
--- a/base/values.cc
+++ b/base/values.cc
@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 #include "base/logging.h"
-#include "base/string_util.h"
 #include "base/values.h"
 
 ///////////////////// Value ////////////////////
@@ -32,13 +31,8 @@ Value* Value::CreateRealValue(double in_value) {
 }
 
 // static
-Value* Value::CreateStringValue(const std::string& in_value) {
-  return new StringValue(in_value);
-}
-
-// static
 Value* Value::CreateStringValue(const std::wstring& in_value) {
-  return new StringValue(WideToUTF8(in_value));
+  return new StringValue(in_value);
 }
 
 // static
@@ -58,10 +52,6 @@ bool Value::GetAsReal(double* in_value) const {
   return false;
 }
 
-bool Value::GetAsString(std::string* in_value) const {
-  return false;
-}
-
 bool Value::GetAsString(std::wstring* in_value) const {
   return false;
 }
@@ -145,24 +135,12 @@ bool FundamentalValue::Equals(const Value* other) const {
 
 ///////////////////// StringValue ////////////////////
 
-StringValue::StringValue(const std::string& in_value)
-    : Value(TYPE_STRING),
-      value_(in_value) {
-  DCHECK(IsStringUTF8(in_value));
-}
-
 StringValue::~StringValue() {
 }
 
-bool StringValue::GetAsString(std::string* out_value) const {
-  if (out_value)
-    *out_value = value_;
-  return true;
-}
-
 bool StringValue::GetAsString(std::wstring* out_value) const {
   if (out_value)
-    *out_value = UTF8ToWide(value_);
+    *out_value = value_;
   return true;
 }
 
@@ -173,7 +151,7 @@ Value* StringValue::DeepCopy() const {
 bool StringValue::Equals(const Value* other) const {
   if (other->GetType() != GetType())
     return false;
-  std::string lhs, rhs;
+  std::wstring lhs, rhs;
   return GetAsString(&lhs) && other->GetAsString(&rhs) && lhs == rhs;
 }
 
@@ -298,11 +276,6 @@ bool DictionaryValue::SetReal(const std::wstring& path, double in_value) {
 }
 
 bool DictionaryValue::SetString(const std::wstring& path,
-                                const std::string& in_value) {
-  return Set(path, CreateStringValue(in_value));
-}
-
-bool DictionaryValue::SetString(const std::wstring& path,
                                 const std::wstring& in_value) {
   return Set(path, CreateStringValue(in_value));
 }
@@ -362,15 +335,6 @@ bool DictionaryValue::GetReal(const std::wstring& path,
 }
 
 bool DictionaryValue::GetString(const std::wstring& path,
-                                std::string* out_value) const {
-  Value* value;
-  if (!Get(path, &value))
-    return false;
-
-  return value->GetAsString(out_value);
-}
-
-bool DictionaryValue::GetString(const std::wstring& path,
                                 std::wstring* out_value) const {
   Value* value;
   if (!Get(path, &value))