Update HTTPHeaderMap wrappers to use AtomicString type for header values

Source/platform/network/ResourceRequest.cpp

 /*
  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  *
  * 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
@@ skipping 20 matching lines @@
 
 double ResourceRequest::s_defaultTimeoutInterval = INT_MAX;
 
 PassOwnPtr<ResourceRequest> ResourceRequest::adopt(PassOwnPtr<CrossThreadResourceRequestData> data)
 {
     OwnPtr<ResourceRequest> request = adoptPtr(new ResourceRequest());
     request->setURL(data->m_url);
     request->setCachePolicy(data->m_cachePolicy);
     request->setTimeoutInterval(data->m_timeoutInterval);
     request->setFirstPartyForCookies(data->m_firstPartyForCookies);
-    request->setHTTPMethod(data->m_httpMethod);
+    request->setHTTPMethod(AtomicString(data->m_httpMethod));
     request->setPriority(data->m_priority);
 
     request->m_httpHeaderFields.adopt(data->m_httpHeaders.release());
 
     request->setHTTPBody(data->m_httpBody);
     request->setAllowCookies(data->m_allowCookies);
     request->setReportUploadProgress(data->m_reportUploadProgress);
     request->setHasUserGesture(data->m_hasUserGesture);
     request->setDownloadToFile(data->m_downloadToFile);
     request->setRequestorID(data->m_requestorID);
     request->setRequestorProcessID(data->m_requestorProcessID);
     request->setAppCacheHostID(data->m_appCacheHostID);
     request->setTargetType(data->m_targetType);
     return request.release();
 }
 
 PassOwnPtr<CrossThreadResourceRequestData> ResourceRequest::copyData() const
 {
     OwnPtr<CrossThreadResourceRequestData> data = adoptPtr(new CrossThreadResourceRequestData());
     data->m_url = url().copy();
     data->m_cachePolicy = cachePolicy();
     data->m_timeoutInterval = timeoutInterval();
     data->m_firstPartyForCookies = firstPartyForCookies().copy();
-    data->m_httpMethod = httpMethod().isolatedCopy();
+    data->m_httpMethod = httpMethod().string().isolatedCopy();
     data->m_httpHeaders = httpHeaderFields().copyData();
     data->m_priority = priority();
 
     if (m_httpBody)
         data->m_httpBody = m_httpBody->deepCopy();
     data->m_allowCookies = m_allowCookies;
     data->m_reportUploadProgress = m_reportUploadProgress;
     data->m_hasUserGesture = m_hasUserGesture;
     data->m_downloadToFile = m_downloadToFile;
     data->m_requestorID = m_requestorID;
@@ skipping 55 matching lines @@
 const KURL& ResourceRequest::firstPartyForCookies() const
 {
     return m_firstPartyForCookies;
 }
 
 void ResourceRequest::setFirstPartyForCookies(const KURL& firstPartyForCookies)
 {
     m_firstPartyForCookies = firstPartyForCookies;
 }
 
-const String& ResourceRequest::httpMethod() const
+const AtomicString& ResourceRequest::httpMethod() const
 {
     return m_httpMethod;
 }
 
-void ResourceRequest::setHTTPMethod(const String& httpMethod)
+void ResourceRequest::setHTTPMethod(const AtomicString& httpMethod)
 {
     m_httpMethod = httpMethod;
 }
 
 const HTTPHeaderMap& ResourceRequest::httpHeaderFields() const
 {
     return m_httpHeaderFields;
 }
 
-String ResourceRequest::httpHeaderField(const AtomicString& name) const
+AtomicString ResourceRequest::httpHeaderField(const AtomicString& name) const
 {
     return m_httpHeaderFields.get(name);
 }
 
-String ResourceRequest::httpHeaderField(const char* name) const
+const AtomicString& ResourceRequest::httpHeaderField(const char* name) const
 {
     return m_httpHeaderFields.get(name);
 }
 
-void ResourceRequest::setHTTPHeaderField(const AtomicString& name, const String& value)
+void ResourceRequest::setHTTPHeaderField(const AtomicString& name, const AtomicString& value)
 {
     m_httpHeaderFields.set(name, value);
 }
 
-void ResourceRequest::setHTTPHeaderField(const char* name, const String& value)
+void ResourceRequest::setHTTPHeaderField(const char* name, const AtomicString& value)
 {
     setHTTPHeaderField(AtomicString(name), value);
 }
 
 void ResourceRequest::clearHTTPAuthorization()
 {
     m_httpHeaderFields.remove("Authorization");
 }
 
 void ResourceRequest::clearHTTPContentType()
@@ skipping 44 matching lines @@
 ResourceLoadPriority ResourceRequest::priority() const
 {
     return m_priority;
 }
 
 void ResourceRequest::setPriority(ResourceLoadPriority priority)
 {
     m_priority = priority;
 }
 
-void ResourceRequest::addHTTPHeaderField(const AtomicString& name, const String& value)
+void ResourceRequest::addHTTPHeaderField(const AtomicString& name, const AtomicString& value)
 {
     HTTPHeaderMap::AddResult result = m_httpHeaderFields.add(name, value);
     if (!result.isNewEntry)
         result.iterator->value = result.iterator->value + ',' + value;
 }
 
 void ResourceRequest::addHTTPHeaderFields(const HTTPHeaderMap& headerFields)
 {
     HTTPHeaderMap::const_iterator end = headerFields.end();
     for (HTTPHeaderMap::const_iterator it = headerFields.begin(); it != end; ++it)
@@ skipping 94 matching lines @@
 // This is used by the loader to control the number of issued parallel load requests.
 unsigned initializeMaximumHTTPConnectionCountPerHost()
 {
     // The chromium network stack already handles limiting the number of
     // parallel requests per host, so there's no need to do it here.  Therefore,
     // this is set to a high value that should never be hit in practice.
     return 10000;
 }
 
 }