Drop more dependencies of ProfileKeyedService infrastructure on chrome.

chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h

+// Copyright 2013 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_BROWSER_PROFILES_CHROME_BROWSER_MAIN_EXTRA_PARTS_PROFILES_H_
+#define CHROME_BROWSER_PROFILES_CHROME_BROWSER_MAIN_EXTRA_PARTS_PROFILES_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/chrome_browser_main_extra_parts.h"
+
+class ChromeBrowserMainParts;
+
+namespace chrome {
+void AddProfilesExtraParts(ChromeBrowserMainParts* main_parts);
+}
+
+class ChromeBrowserMainExtraPartsProfiles : public ChromeBrowserMainExtraParts {
+ public:
+  ChromeBrowserMainExtraPartsProfiles();
+  virtual ~ChromeBrowserMainExtraPartsProfiles();
+
+  // Instantiates all chrome ProfileKeyedService factories, which is especially
+  // important for services that should be created at profile creation time
+  // as compared to lazily on first access.
+  static void EnsureProfileKeyedServiceFactoriesBuilt();
+
+  // Overridden from ChromeBrowserMainExtraParts:
+  virtual void PreProfileInit() OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainExtraPartsProfiles);
+};
+
+#endif  // CHROME_BROWSER_PROFILES_CHROME_BROWSER_MAIN_EXTRA_PARTS_PROFILES_H_