Merges the two different page serializers

Source/core/page/PageSerializer.h

Index: Source/core/page/PageSerializer.h
diff --git a/Source/core/page/PageSerializer.h b/Source/core/page/PageSerializer.h
index 93a4dc10677b93a545968cfbb8d3209855e8e620..0c3af23c740c181646eaec5486492b315c016a31 100644
--- a/Source/core/page/PageSerializer.h
+++ b/Source/core/page/PageSerializer.h
@@ -55,11 +55,15 @@ class StyleRuleFontFace;
 
 struct SerializedResource;
 
+// This hash map is used to map resource URL of original link to its local
+// file path.
+typedef HashMap<WTF::String, WTF::String> LinkLocalPathMap;

[abarth-chromium, 2013/11/14 16:55:03]

WTF::String -> String.

There's no need to use the WTF namespace for String.  There's a using
WTF::String directive in the header.

+
 // This class is used to serialize a page contents back to text (typically HTML).
 // It serializes all the page frames and retrieves resources such as images and CSS stylesheets.
 class PageSerializer {
 public:
-    explicit PageSerializer(Vector<SerializedResource>*);
+    explicit PageSerializer(Vector<SerializedResource>*, HashMap<WTF::String, WTF::String>* = 0, WTF::String = "");

[abarth-chromium, 2013/11/14 16:55:03]

Why not use the LinkLocalPathMap type here?

No need for the explicit keyword anymore.  That only does something for
one-argument constructors.

 
     // Initiates the serialization of the frame's page. All serialized content and retrieved
     // resources are added to the Vector passed to the constructor. The first resource in that
@@ -87,6 +91,8 @@ private:
     Vector<SerializedResource>* m_resources;
     ListHashSet<KURL> m_resourceURLs;
     HashMap<Frame*, KURL> m_blankFrameURLs;
+    LinkLocalPathMap* m_URLs;
+    WTF::String m_directory;
     unsigned m_blankFrameCounter;
 };