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 c18c233c3648830936bcb4d2c9d9c6bd7e65b14b..58bf21081a8ab90e16ff6449944c8820c592d667 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>
@@ -322,4 +322,4 @@ 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_