Move TrimWhitespace to the base namespace.

base/strings/string_util.cc

Index: base/strings/string_util.cc
diff --git a/base/strings/string_util.cc b/base/strings/string_util.cc
index 4b102c58ea7ceb4c75cb8232f635c97c32ee2e5c..c2e0e8a17cfb2eaf5c0576d08e386aced8a3c93d 100644
--- a/base/strings/string_util.cc
+++ b/base/strings/string_util.cc
@@ -242,18 +242,16 @@ void TruncateUTF8ToByteSize(const std::string& input,
     output->clear();
 }
 
-}  // namespace base
-
-TrimPositions TrimWhitespace(const base::string16& input,
+TrimPositions TrimWhitespace(const string16& input,
                              TrimPositions positions,
-                             base::string16* output) {
-  return base::TrimStringT(input, base::kWhitespaceUTF16, positions, output);
+                             string16* output) {
+  return TrimStringT(input, kWhitespaceUTF16, positions, output);
 }
 
 TrimPositions TrimWhitespaceASCII(const std::string& input,
                                   TrimPositions positions,
                                   std::string* output) {
-  return base::TrimStringT(input, base::kWhitespaceASCII, positions, output);
+  return TrimStringT(input, kWhitespaceASCII, positions, output);
 }
 
 // This function is only for backward-compatibility.
@@ -264,6 +262,8 @@ TrimPositions TrimWhitespace(const std::string& input,
   return TrimWhitespaceASCII(input, positions, output);
 }
 
+}  // namespace base
+
 template<typename STR>
 STR CollapseWhitespaceT(const STR& text,
                         bool trim_sequences_with_line_breaks) {