Generalize content::URLDataSource so that it can be used by the network service.

chrome/browser/search/instant_io_context.h

Index: chrome/browser/search/instant_io_context.h
diff --git a/chrome/browser/search/instant_io_context.h b/chrome/browser/search/instant_io_context.h
index 1d5eadbbd3dd94326905d1cb04bcadaf5f3ef3ca..bec4b3662d8e4b0122673c4e90ccc7f35506bfd3 100644
--- a/chrome/browser/search/instant_io_context.h
+++ b/chrome/browser/search/instant_io_context.h
@@ -10,14 +10,12 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 
+class GURL;
+
 namespace content {
 class ResourceContext;
 }
 
-namespace net {
-class URLRequest;
-}
-
 // IO thread data held for Instant.  This reflects the data held in
 // InstantService for use on the IO thread.  Owned by ResourceContext
 // as user data.
@@ -48,7 +46,9 @@ class InstantIOContext : public base::RefCountedThreadSafe<InstantIOContext> {
 
   // Determine if this chrome-search: request is coming from an Instant render
   // process.
-  static bool ShouldServiceRequest(const net::URLRequest* request);
+  static bool ShouldServiceRequest(const GURL& url,
+                                   content::ResourceContext* resource_context,
+                                   int render_process_id);
 
  protected:
    virtual ~InstantIOContext();