Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

testing/android/native_test_util.cc

Index: testing/android/native_test_util.cc
diff --git a/testing/android/native_test_util.cc b/testing/android/native_test_util.cc
index c814e6f20ec18a367b59fa89be69b03ed46bfcb8..7d5f02539738da400fe578ef006494f824a02bf0 100644
--- a/testing/android/native_test_util.cc
+++ b/testing/android/native_test_util.cc
@@ -17,7 +17,7 @@ void ParseArgsFromString(const std::string& command_line,
   tokenizer.set_quote_chars("\"");
   while (tokenizer.GetNext()) {
     std::string token;
-    RemoveChars(tokenizer.token(), "\"", &token);
+    base::RemoveChars(tokenizer.token(), "\"", &token);
     args->push_back(token);
   }
 }