Cache gfx::RenderText instances in views::Label.

chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc

Index: chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc b/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
index 52aaaef63e994add266333adf93467c729e91fc7..361550ca7eef7578f284e7e870909e7b80daa904 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
@@ -344,7 +344,7 @@ IN_PROC_BROWSER_TEST_F(OmniboxViewViewsTest, BackgroundIsOpaque) {
   OmniboxViewViews* view = BrowserView::GetBrowserViewForBrowser(browser())->
       toolbar()->location_bar()->omnibox_view();
   ASSERT_TRUE(view);
-  EXPECT_FALSE(view->GetRenderText()->background_is_transparent());
+  EXPECT_TRUE(view->GetRenderText()->subpixel_rendering_enabled());
 }
 
 // Tests if executing a command hides touch editing handles.