Make contents settable in RVHTH.

chrome/browser/geolocation/geolocation_permission_context_unittest.cc

 // Copyright (c) 2011 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 "base/memory/scoped_vector.h"
 #include "chrome/browser/geolocation/geolocation_content_settings_map.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "chrome/test/testing_profile.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/geolocation/arbitrator_dependency_factories_for_test.h"
@@ skipping 158 matching lines @@
       state_map.find(requesting_frame.GetOrigin());
   ASSERT_FALSE(settings == state_map.end())
       << "geolocation state not found " << requesting_frame;
   EXPECT_EQ(expected_content_setting, settings->second);
 }
 
 void GeolocationPermissionContextTests::SetUp() {
   RenderViewHostTestHarness::SetUp();
   GeolocationArbitrator::SetDependencyFactoryForTest(
       dependency_factory_.get());
-  SiteInstance* site_instance = contents_->GetSiteInstance();
+  SiteInstance* site_instance = contents()->GetSiteInstance();
   tab_contents_with_pending_infobar_ =
       new TestTabContentsWithPendingInfoBar(profile_.get(), site_instance);
-  contents_.reset(tab_contents_with_pending_infobar_);
+  SetContents(tab_contents_with_pending_infobar_);
   geolocation_permission_context_ =
       new GeolocationPermissionContext(profile());
 }
 
 void GeolocationPermissionContextTests::TearDown() {
   GeolocationArbitrator::SetDependencyFactoryForTest(NULL);
   RenderViewHostTestHarness::TearDown();
 }
 
 
@@ skipping 257 matching lines @@
   // Ensure only one infobar is created.
   EXPECT_EQ(1U, contents()->infobar_count());
   ConfirmInfoBarDelegate* infobar_0 =
       contents()->GetInfoBarDelegateAt(0)->AsConfirmInfoBarDelegate();
   ASSERT_TRUE(infobar_0);
   string16 text_0 = infobar_0->GetMessageText();
 
   // Delete the tab contents.
   DeleteContents();
 }