Added preloader support for sizes based RW values

Source/core/html/parser/HTMLResourcePreloader.h

Index: Source/core/html/parser/HTMLResourcePreloader.h
diff --git a/Source/core/html/parser/HTMLResourcePreloader.h b/Source/core/html/parser/HTMLResourcePreloader.h
index c07b58703e759291f305c8528f9b98082a9808f6..b6f80e3bfac3453672484cc02facabcf4186f041 100644
--- a/Source/core/html/parser/HTMLResourcePreloader.h
+++ b/Source/core/html/parser/HTMLResourcePreloader.h
@@ -37,9 +37,9 @@ class Document;
 
 class PreloadRequest {
 public:
-    static PassOwnPtr<PreloadRequest> create(const String& initiatorName, const TextPosition& initiatorPosition, const String& resourceURL, const KURL& baseURL, Resource::Type resourceType)
+    static PassOwnPtr<PreloadRequest> create(const String& initiatorName, const TextPosition& initiatorPosition, const String& resourceURL, const KURL& baseURL, Resource::Type resourceType, int resourceWidth = -1)
     {
-        return adoptPtr(new PreloadRequest(initiatorName, initiatorPosition, resourceURL, baseURL, resourceType));
+        return adoptPtr(new PreloadRequest(initiatorName, initiatorPosition, resourceURL, baseURL, resourceType, resourceWidth));
     }
 
     bool isSafeToSendToAnotherThread() const;
@@ -59,7 +59,7 @@ public:
     Resource::Type resourceType() const { return m_resourceType; }
 
 private:
-    PreloadRequest(const String& initiatorName, const TextPosition& initiatorPosition, const String& resourceURL, const KURL& baseURL, Resource::Type resourceType)
+    PreloadRequest(const String& initiatorName, const TextPosition& initiatorPosition, const String& resourceURL, const KURL& baseURL, Resource::Type resourceType, int resourceWidth)
         : m_initiatorName(initiatorName)
         , m_initiatorPosition(initiatorPosition)
         , m_resourceURL(resourceURL.isolatedCopy())
@@ -69,6 +69,7 @@ private:
         , m_allowCredentials(DoNotAllowStoredCredentials)
         , m_discoveryTime(monotonicallyIncreasingTime())
         , m_defer(FetchRequest::NoDefer)
+        , m_resourceWidth(resourceWidth)
     {
     }
 
@@ -84,6 +85,7 @@ private:
     StoredCredentials m_allowCredentials;
     double m_discoveryTime;
     FetchRequest::DeferOption m_defer;
+    int m_resourceWidth;
 };
 
 typedef Vector<OwnPtr<PreloadRequest>> PreloadRequestStream;