Use C++11 range-based loop for core/css

Source/core/css/RemoteFontFaceSource.cpp

 // Copyright 2014 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 "config.h"
 #include "core/css/RemoteFontFaceSource.h"
 
 #include "core/css/CSSCustomFontData.h"
 #include "core/css/CSSFontFace.h"
 #include "core/css/FontLoader.h"
@@ skipping 16 matching lines @@
 {
     m_font->removeClient(this);
     pruneTable();
 }
 
 void RemoteFontFaceSource::pruneTable()
 {
     if (m_fontDataTable.isEmpty())
         return;
 
-    for (FontDataTable::iterator it = m_fontDataTable.begin(); it != m_fontDataTable.end(); ++it) {
-        SimpleFontData* fontData = it->value.get();
+    for (const auto& item : m_fontDataTable) {
+        SimpleFontData* fontData = item.value.get();
         if (fontData && fontData->customFontData())
             fontData->customFontData()->clearFontFaceSource();
     }
     m_fontDataTable.clear();
 }
 
 bool RemoteFontFaceSource::isLoading() const
 {
     return !m_font->stillNeedsLoad() && !m_font->isLoaded();
 }
@@ skipping 139 matching lines @@
     if (size < 50 * 1024)
         return "WebFont.DownloadTime.1.10KBTo50KB";
     if (size < 100 * 1024)
         return "WebFont.DownloadTime.2.50KBTo100KB";
     if (size < 1024 * 1024)
         return "WebFont.DownloadTime.3.100KBTo1MB";
     return "WebFont.DownloadTime.4.Over1MB";
 }
 
 } // namespace blink