Move IsStringASCII/UTF8 to base namespace.

base/strings/string_util.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.
 
 #include "base/strings/string_util.h"
 
 #include <ctype.h>
 #include <errno.h>
 #include <math.h>
 #include <stdarg.h>
@@ skipping 306 matching lines @@
 bool ContainsOnlyChars(const StringPiece& input,
                        const StringPiece& characters) {
   return input.find_first_not_of(characters) == StringPiece::npos;
 }
 
 bool ContainsOnlyChars(const StringPiece16& input,
                        const StringPiece16& characters) {
   return input.find_first_not_of(characters) == StringPiece16::npos;
 }
 
-}  // namespace base
+bool IsStringUTF8(const StringPiece& str) {
+  const char *src = str.data();
+  int32 src_len = static_cast<int32>(str.length());
+  int32 char_index = 0;
+
+  while (char_index < src_len) {
+    int32 code_point;
+    CBU8_NEXT(src, char_index, src_len, code_point);
+    if (!IsValidCharacter(code_point))
+      return false;
+  }
+  return true;
+}
 
 template<class STR>
 static bool DoIsStringASCII(const STR& str) {
   for (size_t i = 0; i < str.length(); i++) {
     typename ToUnsigned<typename STR::value_type>::Unsigned c = str[i];
     if (c > 0x7F)
       return false;
   }
   return true;
 }
 
-bool IsStringASCII(const base::StringPiece& str) {
+bool IsStringASCII(const StringPiece& str) {
   return DoIsStringASCII(str);
 }
 
 bool IsStringASCII(const base::string16& str) {
   return DoIsStringASCII(str);
 }
 
-bool IsStringUTF8(const std::string& str) {
-  const char *src = str.data();
-  int32 src_len = static_cast<int32>(str.length());
-  int32 char_index = 0;
-
-  while (char_index < src_len) {
-    int32 code_point;
-    CBU8_NEXT(src, char_index, src_len, code_point);
-    if (!base::IsValidCharacter(code_point))
-      return false;
-  }
-  return true;
-}
+}  // namespace base
 
 template<typename Iter>
 static inline bool DoLowerCaseEqualsASCII(Iter a_begin,
                                           Iter a_end,
                                           const char* b) {
   for (Iter it = a_begin; it != a_end; ++it, ++b) {
     if (!*b || base::ToLowerASCII(*it) != *b)
       return false;
   }
   return *b == 0;
@@ skipping 517 matching lines @@
 }
 
 }  // namespace
 
 size_t base::strlcpy(char* dst, const char* src, size_t dst_size) {
   return lcpyT<char>(dst, src, dst_size);
 }
 size_t base::wcslcpy(wchar_t* dst, const wchar_t* src, size_t dst_size) {
   return lcpyT<wchar_t>(dst, src, dst_size);
 }