Update chrome/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/test/webdriver/webdriver_automation.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_automation.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
@@ skipping 774 matching lines @@
   if (!view_id.old_style()) {
     AutomationMsg_NavigationResponseValues navigate_response;
     if (!SendNavigateToURLJSONRequest(automation(), view_locator, url,
                                       0, &navigate_response, &auto_error)) {
       *error = Error::FromAutomationError(auto_error);
       return;
     }
   } else {
     scoped_refptr<BrowserProxy> browser =
         automation()->GetBrowserWindow(view_locator.browser_index());
-    if (!browser) {
+    if (!browser.get()) {
       *error = new Error(kUnknownError, "Couldn't obtain browser proxy");
       return;
     }
     scoped_refptr<TabProxy> tab = browser->GetTab(view_locator.tab_index());
-    if (!tab) {
+    if (!tab.get()) {
       *error = new Error(kUnknownError, "Couldn't obtain tab proxy");
       return;
     }
     if (!tab->NavigateToURLAsync(GURL(url))) {
       *error = new Error(kUnknownError, "Unable to navigate to url");
       return;
     }
   }
 }
 
@@ skipping 396 matching lines @@
 }
 
 Error* Automation::CheckMaximizeSupported() {
   const char* message =
       "Maximize automation interface is not supported for this version of "
       "Chrome.";
   return CheckVersion(1160, message);
 }
 
 }  // namespace webdriver