Remove some WebContents::GetRenderViewHost() calls.

content/browser/security_exploit_browsertest.cc

Index: content/browser/security_exploit_browsertest.cc
diff --git a/content/browser/security_exploit_browsertest.cc b/content/browser/security_exploit_browsertest.cc
index 53622ac0df42fa408ffd7f86247874455f5a93ce..69e69444f3f905ffb74c3b47841311c70cceb47e 100644
--- a/content/browser/security_exploit_browsertest.cc
+++ b/content/browser/security_exploit_browsertest.cc
@@ -79,8 +79,8 @@ RenderViewHostImpl* PrepareToDuplicateHosts(Shell* shell,
   Shell* shell2 = shell2_observer.GetShell();
 
   // The new window must be in the same process, but have a new routing id.
-  EXPECT_EQ(shell->web_contents()->GetRenderViewHost()->GetProcess()->GetID(),
-            shell2->web_contents()->GetRenderViewHost()->GetProcess()->GetID());
+  EXPECT_EQ(shell->web_contents()->GetMainFrame()->GetProcess()->GetID(),
+            shell2->web_contents()->GetMainFrame()->GetProcess()->GetID());
   *target_routing_id =
       shell2->web_contents()->GetRenderViewHost()->GetRoutingID();
   EXPECT_NE(*target_routing_id,