[NOT FOR REVIEW] extensions-wm: Add experimental extension API for window management.

chrome/browser/extensions/api/wm/wm_api.h

Index: chrome/browser/extensions/api/wm/wm_api.h
diff --git a/chrome/browser/android/tab_android.cc b/chrome/browser/extensions/api/wm/wm_api.h
similarity index 52%
copy from chrome/browser/android/tab_android.cc
copy to chrome/browser/extensions/api/wm/wm_api.h
index 1b9345a82a6140472c37d9694a3b5281c0df8573..be81b546448c050c1fed211624f9edeeaa187c7f 100644
--- a/chrome/browser/android/tab_android.cc
+++ b/chrome/browser/extensions/api/wm/wm_api.h
@@ -2,10 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/android/tab_android.h"
+#ifndef CHROME_BROWSER_EXTENSIONS_API_WM_WM_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_WM_WM_API_H_
 
-TabAndroid::TabAndroid() : tab_id_(-1) {
-}
 
-TabAndroid::~TabAndroid() {
-}
+#endif  // CHROME_BROWSER_EXTENSIONS_API_WM_WM_API_H_