Support maximize window command.

chrome/browser/automation/automation_provider_observers.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/automation/automation_provider_observers.h"
 
 #include <deque>
 #include <string>
 #include <vector>
 
@@ skipping 3004 matching lines @@
   }
 
   ExtensionHost* host = content::Details<ExtensionHost>(details).ptr();
   if (host->extension_id() == extension_id_ &&
       host->extension_host_type() == chrome::VIEW_TYPE_EXTENSION_POPUP) {
     AutomationJSONReply(automation_, reply_message_.release())
         .SendSuccess(NULL);
     delete this;
   }
 }
+
+#if defined(OS_LINUX)
+WindowMaximizedObserver::WindowMaximizedObserver(
+    AutomationProvider* automation,
+    IPC::Message* reply_message)
+    : automation_(automation->AsWeakPtr()),
+      reply_message_(reply_message) {
+  registrar_.Add(this, chrome::NOTIFICATION_BROWSER_WINDOW_MAXIMIZED,
+                 content::NotificationService::AllSources());
+}
+
+WindowMaximizedObserver::~WindowMaximizedObserver() {}
+
+void WindowMaximizedObserver::Observe(
+    int type,
+    const content::NotificationSource& source,
+    const content::NotificationDetails& details) {
+  DCHECK_EQ(chrome::NOTIFICATION_BROWSER_WINDOW_MAXIMIZED, type);
+
+  if (automation_) {
+    AutomationJSONReply(automation_, reply_message_.release())
+        .SendSuccess(NULL);
+  }
+  delete this;
+}
+#endif  // defined(OS_LINUX)
+