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

chrome/browser/policy/cloud/component_cloud_policy_browsertest.cc

 // Copyright (c) 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 <string>
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 70 matching lines @@
     "    \"Value\": \"turn_it_off\""
     "  }"
     "}";
 
 const char kTestPolicy2JSON[] = "{\"Another\":\"turn_it_off\"}";
 
 // Same encoding as ResourceCache does for its keys.
 bool Base64Encode(const std::string& value, std::string* encoded) {
   if (value.empty() || !base::Base64Encode(value, encoded))
     return false;
-  ReplaceChars(*encoded, "+", "-", encoded);
-  ReplaceChars(*encoded, "/", "_", encoded);
+  base::ReplaceChars(*encoded, "+", "-", encoded);
+  base::ReplaceChars(*encoded, "/", "_", encoded);
   return true;
 }
 
 class ComponentCloudPolicyTest : public ExtensionBrowserTest {
  protected:
   ComponentCloudPolicyTest() {}
   virtual ~ComponentCloudPolicyTest() {}
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionBrowserTest::SetUpCommandLine(command_line);
@@ skipping 223 matching lines @@
   ExtensionTestMessageListener signin_policy_listener(kTestPolicyJSON, true);
   event_listener2.Reply("get-policy-Name");
   EXPECT_TRUE(signin_policy_listener.WaitUntilSatisfied());
 
   // And the cache is back.
   EXPECT_TRUE(base::PathExists(cache_path));
 }
 #endif
 
 }  // namespace policy