Make calls to AtomicString(const String&) explicit in loader/ and fetch/

Source/core/loader/FormSubmission.cpp

Index: Source/core/loader/FormSubmission.cpp
diff --git a/Source/core/loader/FormSubmission.cpp b/Source/core/loader/FormSubmission.cpp
index 178a996bc763acb3abfd5f022db45241dbde6af4..4be3a6b4f279cda1ab97634b1a5d92d50cb3c99a 100644
--- a/Source/core/loader/FormSubmission.cpp
+++ b/Source/core/loader/FormSubmission.cpp
@@ -259,7 +259,7 @@ void FormSubmission::populateFrameLoadRequest(FrameLoadRequest& frameRequest)
         frameRequest.setFrameName(m_target);
 
     if (!m_referrer.isEmpty())
-        frameRequest.resourceRequest().setHTTPReferrer(m_referrer);
+        frameRequest.resourceRequest().setHTTPReferrer(AtomicString(m_referrer));
 
     if (m_method == FormSubmission::PostMethod) {
         frameRequest.resourceRequest().setHTTPMethod("POST");
@@ -267,13 +267,13 @@ void FormSubmission::populateFrameLoadRequest(FrameLoadRequest& frameRequest)
 
         // construct some user headers if necessary
         if (m_boundary.isEmpty())
-            frameRequest.resourceRequest().setHTTPContentType(m_contentType);
+            frameRequest.resourceRequest().setHTTPContentType(AtomicString(m_contentType));

[eseidel, 2013/12/31 22:05:03]

content types should probably be stored as AtomicStrings anyway.

[Inactive, 2013/12/31 22:47:25]

Done.

         else
             frameRequest.resourceRequest().setHTTPContentType(m_contentType + "; boundary=" + m_boundary);
     }
 
     frameRequest.resourceRequest().setURL(requestURL());
-    FrameLoader::addHTTPOriginIfNeeded(frameRequest.resourceRequest(), m_origin);
+    FrameLoader::addHTTPOriginIfNeeded(frameRequest.resourceRequest(), AtomicString(m_origin));
 }
 
 }