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

content/common/page_state_serialization_unittest.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 <math.h>
 
 #include "base/base64.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/pickle.h"
@@ skipping 190 matching lines @@
     path = path.AppendASCII("page_state").AppendASCII(
         base::StringPrintf("serialized_v%d%s.dat", version, suffix));
 
     std::string file_contents;
     if (!base::ReadFileToString(path, &file_contents)) {
       ADD_FAILURE() << "File not found: " << path.value();
       return;
     }
 
     std::string trimmed_contents;
-    EXPECT_TRUE(RemoveChars(file_contents, "\r\n", &trimmed_contents));
+    EXPECT_TRUE(base::RemoveChars(file_contents, "\r\n", &trimmed_contents));
 
     std::string encoded;
     EXPECT_TRUE(base::Base64Decode(trimmed_contents, &encoded));
 
     ExplodedPageState output;
 #if defined(OS_ANDROID)
     // Because version 11 of the file format unfortunately bakes in the device
     // scale factor on Android, perform this test by assuming a preset device
     // scale factor, ignoring the device scale factor of the current device.
     const float kPresetDeviceScaleFactor = 2.0f;
@@ skipping 194 matching lines @@
 TEST_F(PageStateSerializationTest, BackwardsCompat_v15) {
   TestBackwardsCompat(15);
 }
 
 TEST_F(PageStateSerializationTest, BackwardsCompat_v16) {
   TestBackwardsCompat(16);
 }
 
 }  // namespace
 }  // namespace content