Move bookmark_model_observer.h to the bookmarks component

components/bookmarks/core/browser/base_bookmark_model_observer.h

Index: components/bookmarks/core/browser/base_bookmark_model_observer.h
diff --git a/chrome/browser/bookmarks/base_bookmark_model_observer.h b/components/bookmarks/core/browser/base_bookmark_model_observer.h
similarity index 87%
rename from chrome/browser/bookmarks/base_bookmark_model_observer.h
rename to components/bookmarks/core/browser/base_bookmark_model_observer.h
index 29c1e462e6632b4c6148797383ac99d979de6e75..f7bd5dfa93a7ae60e1d953c6585ddf2e5b5440ee 100644
--- a/chrome/browser/bookmarks/base_bookmark_model_observer.h
+++ b/components/bookmarks/core/browser/base_bookmark_model_observer.h
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_BOOKMARKS_BASE_BOOKMARK_MODEL_OBSERVER_H_
-#define CHROME_BROWSER_BOOKMARKS_BASE_BOOKMARK_MODEL_OBSERVER_H_
+#ifndef COMPONENTS_BOOKMARKS_CORE_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_
+#define COMPONENTS_BOOKMARKS_CORE_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "chrome/browser/bookmarks/bookmark_model_observer.h"
+#include "components/bookmarks/core/browser/bookmark_model_observer.h"
 
 // Base class for a BookmarkModelObserver implementation. All mutations of the
 // model funnel into the method BookmarkModelChanged.
@@ -48,4 +48,4 @@ class BaseBookmarkModelObserver : public BookmarkModelObserver {
   DISALLOW_COPY_AND_ASSIGN(BaseBookmarkModelObserver);
 };
 
-#endif  // CHROME_BROWSER_BOOKMARKS_BASE_BOOKMARK_MODEL_OBSERVER_H_
+#endif  // COMPONENTS_BOOKMARKS_CORE_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_