Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

chrome/browser/devtools/devtools_sanity_browsertest.cc

Index: chrome/browser/devtools/devtools_sanity_browsertest.cc
diff --git a/chrome/browser/devtools/devtools_sanity_browsertest.cc b/chrome/browser/devtools/devtools_sanity_browsertest.cc
index c9107e3b573ac8240edfedadb05d51279ffe31c5..7fe12e8c8b9dfb956ca94ccc6077f9344b143943 100644
--- a/chrome/browser/devtools/devtools_sanity_browsertest.cc
+++ b/chrome/browser/devtools/devtools_sanity_browsertest.cc
@@ -622,14 +622,14 @@ IN_PROC_BROWSER_TEST_F(DevToolsAgentHostTest, TestAgentHostReleased) {
   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
   RenderViewHost* rvh = browser()->tab_strip_model()->GetWebContentsAt(0)->
       GetRenderViewHost();
-  DevToolsAgentHost* agent_raw = DevToolsAgentHost::GetOrCreateFor(rvh);
+  DevToolsAgentHost* agent_raw = DevToolsAgentHost::GetOrCreateFor(rvh).get();
   const std::string agent_id = agent_raw->GetId();
   ASSERT_EQ(agent_raw, DevToolsAgentHost::GetForId(agent_id)) <<
       "DevToolsAgentHost cannot be found by id";
   browser()->tab_strip_model()->
       CloseWebContentsAt(0, TabStripModel::CLOSE_NONE);
-  ASSERT_FALSE(DevToolsAgentHost::GetForId(agent_id)) <<
-      "DevToolsAgentHost is not released when the tab is closed";
+  ASSERT_FALSE(DevToolsAgentHost::GetForId(agent_id).get())
+      << "DevToolsAgentHost is not released when the tab is closed";
 }
 
 class RemoteDebuggingTest: public ExtensionApiTest {