[Cleanup] Remove StringPrintf from global namespace

chrome/browser/extensions/convert_web_app.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/convert_web_app.h"
 
 #include <cmath>
 #include <limits>
 #include <string>
 #include <vector>
@@ skipping 104 matching lines @@
   root->SetString(keys::kDescription, UTF16ToUTF8(web_app.description));
   root->SetString(keys::kLaunchWebURL, web_app.app_url.spec());
 
   if (!web_app.launch_container.empty())
     root->SetString(keys::kLaunchContainer, web_app.launch_container);
 
   // Add the icons.
   DictionaryValue* icons = new DictionaryValue();
   root->Set(keys::kIcons, icons);
   for (size_t i = 0; i < web_app.icons.size(); ++i) {
-    std::string size = StringPrintf("%i", web_app.icons[i].width);
-    std::string icon_path = StringPrintf("%s/%s.png", kIconsDirName,
-                                         size.c_str());
+    std::string size = base::StringPrintf("%i", web_app.icons[i].width);
+    std::string icon_path = base::StringPrintf("%s/%s.png", kIconsDirName,
+                                               size.c_str());
     icons->SetString(size, icon_path);
   }
 
   // Add the permissions.
   ListValue* permissions = new ListValue();
   root->Set(keys::kPermissions, permissions);
   for (size_t i = 0; i < web_app.permissions.size(); ++i) {
     permissions->Append(Value::CreateStringValue(web_app.permissions[i]));
   }
 
@@ skipping 18 matching lines @@
   if (!file_util::CreateDirectory(icons_dir)) {
     LOG(ERROR) << "Could not create icons directory.";
     return NULL;
   }
   for (size_t i = 0; i < web_app.icons.size(); ++i) {
     // Skip unfetched bitmaps.
     if (web_app.icons[i].data.config() == SkBitmap::kNo_Config)
       continue;
 
     base::FilePath icon_file = icons_dir.AppendASCII(
-        StringPrintf("%i.png", web_app.icons[i].width));
+        base::StringPrintf("%i.png", web_app.icons[i].width));
     std::vector<unsigned char> image_data;
     if (!gfx::PNGCodec::EncodeBGRASkBitmap(web_app.icons[i].data,
                                            false,
                                            &image_data)) {
       LOG(ERROR) << "Could not create icon file.";
       return NULL;
     }
 
     const char* image_data_ptr = reinterpret_cast<const char*>(&image_data[0]);
     if (!file_util::WriteFile(icon_file, image_data_ptr, image_data.size())) {
@@ skipping 16 matching lines @@
   if (!extension) {
     LOG(ERROR) << error;
     return NULL;
   }
 
   temp_dir.Take();  // The caller takes ownership of the directory.
   return extension;
 }
 
 }  // namespace extensions