Revert r115276, it broke PanelDownloadTest.Download in interactive_ui_tests

chrome/browser/tab_contents/background_contents.cc

Index: chrome/browser/tab_contents/background_contents.cc
diff --git a/chrome/browser/tab_contents/background_contents.cc b/chrome/browser/tab_contents/background_contents.cc
index 134bfd5bfcc761c0081c68d52c0d4000933d6adf..c153edb6a69879cf96c3389ab5c495d48b0034fb 100644
--- a/chrome/browser/tab_contents/background_contents.cc
+++ b/chrome/browser/tab_contents/background_contents.cc
@@ -33,7 +33,7 @@ BackgroundContents::BackgroundContents(SiteInstance* site_instance,
   // TODO(rafaelw): Implement correct session storage.
   tab_contents_.reset(new TabContents(
       profile_, site_instance, routing_id, NULL, NULL));
-  tab_contents_->SetViewType(chrome::VIEW_TYPE_BACKGROUND_CONTENTS);
+  tab_contents_->set_view_type(chrome::VIEW_TYPE_BACKGROUND_CONTENTS);
   tab_contents_->SetDelegate(this);
   TabContentsObserver::Observe(tab_contents_.get());