Adding a unique runtime Id to Profile objects, that can be used as the key...

chrome/test/testing_profile.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_TEST_TESTING_PROFILE_H_
 #define CHROME_TEST_TESTING_PROFILE_H_
 
 #include "base/base_paths.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 39 matching lines @@
   // CreateBookmarkModel.
   void BlockUntilBookmarkModelLoaded();
 
   // Creates a TemplateURLModel. If not invoked the TemplateURLModel is NULL.
   void CreateTemplateURLModel();
 
   // Uses a specific theme provider for this profile. TestingProfile takes
   // ownership of |theme_provider|.
   void UseThemeProvider(BrowserThemeProvider* theme_provider);
 
+  virtual ProfileId GetRuntimeId() {
+    return reinterpret_cast<ProfileId>(this);
+  }
+
   virtual FilePath GetPath() {
     return path_;
   }
   // Sets whether we're off the record. Default is false.
   void set_off_the_record(bool off_the_record) {
     off_the_record_ = off_the_record;
   }
   virtual bool IsOffTheRecord() { return off_the_record_; }
   virtual Profile* GetOffTheRecordProfile() { return NULL; }
 
@@ skipping 144 matching lines @@
   bool has_history_service_;
 
   std::wstring id_;
 
   bool off_the_record_;
 
   // Did the last session exit cleanly? Default is true.
   bool last_session_exited_cleanly_;
 };
 
+// A profile that derives from another profile.  This does not actually
+// override anything except the GetRuntimeId() in order to test sharing of
+// site information.
+class DerivedTestingProfile : public TestingProfile {
+ public:
+   DerivedTestingProfile(Profile* profile) : original_profile_(profile) {
+   }
+
+  virtual ProfileId GetRuntimeId() {
+    return original_profile_->GetRuntimeId();
+  }
+
+ protected:
+  Profile* original_profile_;
+};
+
 #endif  // CHROME_TEST_TESTING_PROFILE_H_