Implementation of brand-color

Source/core/html/HTMLMetaElement-in.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/html/HTMLMetaElement.h"
 
 #include "HTMLNames.h"
 #include "core/dom/Document.h"
+#include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
+#include "core/loader/FrameLoaderClient.h"
 
 namespace WebCore {
 
 #define DEFINE_ARRAY_FOR_MATCHING(name, source, maxMatchLength) \
 const UChar* name; \
 const unsigned uMaxMatchLength = maxMatchLength; \
 UChar characterBuffer[uMaxMatchLength]; \
 if (!source.is8Bit()) { \
     name = source.characters16(); \
 } else { \
@@ skipping 425 matching lines @@
     const AtomicString& nameValue = fastGetAttribute(nameAttr);
     if (!nameValue.isEmpty()) {
         if (equalIgnoringCase(nameValue, "viewport"))
             processViewportContentAttribute(contentValue, ViewportDescription::ViewportMeta);
         else if (equalIgnoringCase(nameValue, "referrer"))
             document().processReferrerPolicy(contentValue);
         else if (equalIgnoringCase(nameValue, "handheldfriendly") && equalIgnoringCase(contentValue, "true"))
             processViewportContentAttribute("width=device-width", ViewportDescription::HandheldFriendlyMeta);
         else if (equalIgnoringCase(nameValue, "mobileoptimized"))
             processViewportContentAttribute("width=device-width, initial-scale=1", ViewportDescription::MobileOptimizedMeta);
+        else if (equalIgnoringCase(nameValue, "brand-color") && document().frame() && document().frame()->loader().client())

[abarth-chromium, 2014/06/13 05:40:41]

document().frame()->loader().client() is never zero.  Please omit the check.

[michaelbai, 2014/06/13 19:56:51]

Done.

+            document().frame()->loader().client()->dispatchDidChangeBrandColor();
     }
 
     // Get the document to process the tag, but only if we're actually part of DOM
     // tree (changing a meta tag while it's not in the tree shouldn't have any effect
     // on the document).
 
     const AtomicString& httpEquivValue = fastGetAttribute(http_equivAttr);
     if (!httpEquivValue.isEmpty())
         document().processHttpEquiv(httpEquivValue, contentValue, inDocumentHead(this));
 }
 
 const AtomicString& HTMLMetaElement::content() const
 {
     return getAttribute(contentAttr);
 }
 
 const AtomicString& HTMLMetaElement::httpEquiv() const
 {
     return getAttribute(http_equivAttr);
 }
 
 const AtomicString& HTMLMetaElement::name() const
 {
     return getNameAttribute();
 }
 
 }