Componentize HistoryQuickProvider and its supporting cast

components/omnibox/in_memory_url_index.h

Index: components/omnibox/in_memory_url_index.h
diff --git a/chrome/browser/autocomplete/in_memory_url_index.h b/components/omnibox/in_memory_url_index.h
similarity index 98%
rename from chrome/browser/autocomplete/in_memory_url_index.h
rename to components/omnibox/in_memory_url_index.h
index 5825a8b88dbc7e7aa9c091e8cfbf6de4d4c70daf..f6ad8254eeffa0bad2a779d9af208f9df592be5c 100644
--- a/chrome/browser/autocomplete/in_memory_url_index.h
+++ b/components/omnibox/in_memory_url_index.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_
-#define CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_
+#ifndef COMPONENTS_OMNIBOX_IN_MEMORY_URL_INDEX_H_
+#define COMPONENTS_OMNIBOX_IN_MEMORY_URL_INDEX_H_
 
 #include <functional>
 #include <map>
@@ -320,4 +320,4 @@ class InMemoryURLIndex : public KeyedService,
   DISALLOW_COPY_AND_ASSIGN(InMemoryURLIndex);
 };
 
-#endif  // CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_
+#endif  // COMPONENTS_OMNIBOX_IN_MEMORY_URL_INDEX_H_