Cleanup namespace usage in Source/core/{dom/* & fileapi/*}

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 818 matching lines @@
         element = registrationContext()->createCustomTagElement(*this, qName);
     else
         element = createElement(qName, false);
 
     if (!typeExtension.isEmpty())
         CustomElementRegistrationContext::setIsAttributeAndTypeExtension(element.get(), typeExtension);
 
     return element.release();
 }
 
-ScriptValue Document::registerElement(blink::ScriptState* scriptState, const AtomicString& name, ExceptionState& exceptionState)
+ScriptValue Document::registerElement(ScriptState* scriptState, const AtomicString& name, ExceptionState& exceptionState)
 {
     return registerElement(scriptState, name, Dictionary(), exceptionState);
 }
 
-ScriptValue Document::registerElement(blink::ScriptState* scriptState, const AtomicString& name, const Dictionary& options, ExceptionState& exceptionState, CustomElement::NameSet validNames)
+ScriptValue Document::registerElement(ScriptState* scriptState, const AtomicString& name, const Dictionary& options, ExceptionState& exceptionState, CustomElement::NameSet validNames)
 {
     if (!registrationContext()) {
         exceptionState.throwDOMException(NotSupportedError, "No element registration context is available.");
         return ScriptValue();
     }
 
     CustomElementConstructorBuilder constructorBuilder(scriptState, &options);
     registrationContext()->registerElement(this, &constructorBuilder, name, validNames, exceptionState);
     return constructorBuilder.bindingsReturnValue();
 }
@@ skipping 3493 matching lines @@
         String message = "We don't execute document.execCommand() this time, because it is called recursively.";
         addConsoleMessage(ConsoleMessage::create(JSMessageSource, WarningMessageLevel, message));
         return false;
     }
     TemporaryChange<bool> executeScope(inExecCommand, true);
 
     // Postpone DOM mutation events, which can execute scripts and change
     // DOM tree against implementation assumption.
     EventQueueScope eventQueueScope;
     Editor::Command editorCommand = command(this, commandName, userInterface);
-    blink::Platform::current()->histogramSparse("WebCore.Document.execCommand", editorCommand.idForHistogram());
+    Platform::current()->histogramSparse("WebCore.Document.execCommand", editorCommand.idForHistogram());
     return editorCommand.execute(value);
 }
 
 bool Document::queryCommandEnabled(const String& commandName)
 {
     return command(this, commandName).isEnabled();
 }
 
 bool Document::queryCommandIndeterm(const String& commandName)
 {
@@ skipping 1514 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif