Add support for URL.searchParams getter.

third_party/WebKit/Source/core/dom/DOMURLUtils.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2012 Motorola Mobility Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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 #include "core/dom/DOMURLUtils.h"
 
+#include "bindings/core/v8/ExceptionState.h"
 #include "platform/weborigin/KnownPorts.h"
 
 namespace blink {
 
+DOMURLUtils::~DOMURLUtils()
+{
+}
+
 void DOMURLUtils::setHref(const String& value)
 {
     setInput(value);
 }
 
 void DOMURLUtils::setProtocol(const String& value)
 {
     KURL kurl = url();
     if (kurl.isNull())
         return;
@@ skipping 67 matching lines @@
 {
     KURL kurl = url();
     if (!kurl.canSetPathname())
         return;
     kurl.setPath(value);
     setURL(kurl);
 }
 
 void DOMURLUtils::setSearch(const String& value)
 {
+    setSearchInternal(value);
+}
+
+void DOMURLUtils::setSearchInternal(const String& value)
+{
+    ASSERT(!m_isInUpdate);
     KURL kurl = url();
     if (!kurl.isValid())
         return;
 
     // FIXME: have KURL do this clearing of the query component
     // instead, if practical. Will require addressing
     // http://crbug.com/108690, for one.
     if (value[0] == '?')
         kurl.setQuery(value.length() == 1 ? String() : value.substring(1));
     else
@@ skipping 12 matching lines @@
     // on the same input.
     if (value[0] == '#')
         kurl.setFragmentIdentifier(value.length() == 1 ? String() : value.substring(1));
     else
         kurl.setFragmentIdentifier(value.isEmpty() ? String() : value);
 
     setURL(kurl);
 }
 
 } // namespace blink