Move TopSites api from c/b/history to c/b/e/api

chrome/browser/extensions/api/top_sites/top_sites_api.h

Index: chrome/browser/extensions/api/top_sites/top_sites_api.h
diff --git a/chrome/browser/history/top_sites_extension_api.h b/chrome/browser/extensions/api/top_sites/top_sites_api.h
similarity index 75%
rename from chrome/browser/history/top_sites_extension_api.h
rename to chrome/browser/extensions/api/top_sites/top_sites_api.h
index b752512b9db9c9c20c40cb218f35820eefb7e839..eea5444f97e5610c07689c4d6fecf66b71715d59 100644
--- a/chrome/browser/history/top_sites_extension_api.h
+++ b/chrome/browser/extensions/api/top_sites/top_sites_api.h
@@ -2,13 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_HISTORY_TOP_SITES_EXTENSION_API_H_
-#define CHROME_BROWSER_HISTORY_TOP_SITES_EXTENSION_API_H_
+#ifndef CHROME_BROWSER_EXTENSIONS_API_TOP_SITES_TOP_SITES_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_TOP_SITES_TOP_SITES_API_H_
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/history/history_types.h"
 
+namespace extensions {
+
 class GetTopSitesFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME("topSites.get")
@@ -28,4 +30,6 @@ class GetTopSitesFunction : public AsyncExtensionFunction {
   base::WeakPtrFactory<GetTopSitesFunction> weak_ptr_factory_;
 };
 
-#endif  // CHROME_BROWSER_HISTORY_TOP_SITES_EXTENSION_API_H_
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_TOP_SITES_TOP_SITES_API_H_