Support maximize window command.

chrome/browser/automation/testing_automation_provider.h

Index: chrome/browser/automation/testing_automation_provider.h
diff --git a/chrome/browser/automation/testing_automation_provider.h b/chrome/browser/automation/testing_automation_provider.h
index b5192f7278e4d7db6b81f1a2c2de64bee8add71d..cff6d38397bca85e32a0dd7a71f1a0514cbe76ba 100644
--- a/chrome/browser/automation/testing_automation_provider.h
+++ b/chrome/browser/automation/testing_automation_provider.h
@@ -1095,6 +1095,14 @@ class TestingAutomationProvider : public AutomationProvider,
   //   output: none
   void SetViewBounds(base::DictionaryValue* args, IPC::Message* reply_message);
 
+  // Maximizes the web view.
+  // The single |auto_id| must be given to specify the view.
+  // This method currently is only supported for tabs.
+  // Example:
+  //   input: { "auto_id": { "type": 0, "id": "awoein" } }
+  //   output: none
+  void MaximizeView(base::DictionaryValue* args, IPC::Message* reply_message);
+
   // Sends the WebKit events for a mouse click at a given coordinate.
   // The pair |windex| and |tab_index| or the single |auto_id| must be given
   // to specify the render view.