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

chrome/test/webdriver/webdriver_automation.cc

Index: chrome/test/webdriver/webdriver_automation.cc
diff --git a/chrome/test/webdriver/webdriver_automation.cc b/chrome/test/webdriver/webdriver_automation.cc
index 2715293d38fbc65b0fd84bcdac2877c1c6947051..807c7d8706b0023d3895e0a5799922e4a25e1867 100644
--- a/chrome/test/webdriver/webdriver_automation.cc
+++ b/chrome/test/webdriver/webdriver_automation.cc
@@ -792,12 +792,12 @@ void Automation::NavigateToURLAsync(const WebViewId& view_id,
   } 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;
     }