Modifying prefetch to account for multi-profile.

chrome/browser/profiles/profile.h

Index: chrome/browser/profiles/profile.h
===================================================================
--- chrome/browser/profiles/profile.h	(revision 96503)
+++ chrome/browser/profiles/profile.h	(working copy)
@@ -48,6 +48,10 @@
 class SpeechRecognizer;
 }
 
+namespace chrome_browser_net {
+class Predictor;
+}
+
 class AutocompleteClassifier;
 class BookmarkModel;
 class BrowserSignin;
@@ -552,6 +556,13 @@
   // Creates an OffTheRecordProfile which points to this Profile.
   Profile* CreateOffTheRecordProfile();
 
+  virtual chrome_browser_net::Predictor* GetNetworkPredictor() {
+    return NULL;
+  }
+
+  // When displaying info in about:dns, the following API is called.
+  void PredictorGetHtmlInfo(std::string* output);
+
  protected:
   friend class OffTheRecordProfileImpl;