Support maximize window command.

chrome/test/webdriver/webdriver_session.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/test/webdriver/webdriver_session.h"
 
 #include <sstream>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 647 matching lines @@
       "}";
   return SwitchToFrameWithJavaScriptLocatedFrame(
       script, CreateListValueFrom(name_or_id));
 }
 
 Error* Session::SwitchToFrameWithIndex(int index) {
   // We cannot simply index into window.frames because we need to know the
   // tagName of the frameElement. If child frame N is from another domain, then
   // the following will run afoul of the same origin policy:
   //   window.frames[N].frameElement;
-  // Instead of indexing window.frames, we use a an XPath expression to index
+  // Instead of indexing window.frames, we use an XPath expression to index
   // into the list of all IFRAME and FRAME elements on the page - if we find
   // something, then that XPath expression can be used as the new frame's XPath.
   std::string script =
       "function(index) {"
       "  var xpathIndex = '[' + (index + 1) + ']';"
       "  var xpath = '(/html/body//iframe|/html/frameset/frame)' + "
       "              xpathIndex;"
       "  return document.evaluate(xpath, document, null, "
       "      XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;"
       "}";
@@ skipping 104 matching lines @@
   Error* error = NULL;
   RunSessionTask(base::Bind(
       &Automation::SetViewBounds,
       base::Unretained(automation_.get()),
       window,
       bounds,
       &error));
   return error;
 }
 
+Error* Session::MaximizeWindow(const WebViewId& window) {
+  Error* error = NULL;
+  RunSessionTask(base::Bind(
+        &Automation::Maximize,
+        base::Unretained(automation_.get()),
+        window,
+        &error));
+  return error;
+}
+
 Error* Session::GetAlertMessage(std::string* text) {
   Error* error = NULL;
   RunSessionTask(base::Bind(
       &Automation::GetAppModalDialogMessage,
       base::Unretained(automation_.get()),
       text,
       &error));
   return error;
 }
 
@@ skipping 1108 matching lines @@
     capabilities_.local_state->GetWithoutPathExpansion(*iter, &value);
     Error* error = SetPreference(*iter, false /* is_user_pref */,
                                  value->DeepCopy());
     if (error)
       return error;
   }
   return NULL;
 }
 
 }  // namespace webdriver