Remove some WebContents::GetRenderViewHost() calls.

extensions/browser/api/alarms/alarms_api_unittest.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.
 
 // This file tests the chrome.alarms extension API.
 
 #include <stddef.h>
 
 #include "base/json/json_reader.h"
 #include "base/run_loop.h"
@@ skipping 276 matching lines @@
   CreateAlarm("[\"dup\", {\"delayInMinutes\": 1}]");
   CreateAlarm("[\"dup\", {\"delayInMinutes\": 7}]");
 
   alarm_manager_->GetAllAlarms(
       extension()->id(),
       base::Bind(ExtensionAlarmsTestCreateDupeGetAllAlarmsCallback));
 }
 
 TEST_F(ExtensionAlarmsTest, CreateDelayBelowMinimum) {
   // Create an alarm with delay below the minimum accepted value.
-  IPC::TestSink& sink =
-      static_cast<content::MockRenderProcessHost*>(
-          contents()->GetRenderViewHost()->GetProcess())->sink();
+  IPC::TestSink& sink = static_cast<content::MockRenderProcessHost*>(
+                            contents()->GetMainFrame()->GetProcess())
+                            ->sink();
   size_t initial_message_count = sink.message_count();
   CreateAlarm("[\"negative\", {\"delayInMinutes\": -0.2}]");
   // A new message should have been added.
   ASSERT_GT(sink.message_count(), initial_message_count);
 
   // All of this would be cleaner if we could read the message as a
   // FrameMsg_AddMessageToConsole, but that would be a layering violation.
   // Better yet would be an observer method for frames adding console messages,
   // but it's not worth adding just for a test.
   const IPC::Message* warning =
@@ skipping 444 matching lines @@
 
   // The next poll should be the first poll that hasn't happened and is in-line
   // with the original scheduling.
   // Last poll was at 380 seconds; next poll should be at 480 seconds.
   EXPECT_DOUBLE_EQ((alarm_manager_->last_poll_time_ +
                     base::TimeDelta::FromSeconds(100)).ToJsTime(),
                    alarm_manager_->next_poll_time_.ToJsTime());
 }
 
 }  // namespace extensions