Fix mac_views_browser=1 compile.

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

Index: chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.cc
diff --git a/chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.cc b/chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.cc
index c1694fb8c8f6d7b0450e2d0d96d226b4a1220567..9adb78f99ce410e607450f8755179f1de18d881c 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.cc
+++ b/chrome/browser/ui/views/omnibox/omnibox_popup_contents_view.cc
@@ -69,10 +69,13 @@ OmniboxPopupContentsView::OmniboxPopupContentsView(
   set_owned_by_client();
 
   ui::ThemeProvider* theme = location_bar_view_->GetThemeProvider();
-  top_shadow_ = theme->GetImageSkiaNamed(IDR_OMNIBOX_DROPDOWN_SHADOW_TOP);
-  int bottom_shadow_asset = ui::MaterialDesignController::IsModeMaterial() ?
-      IDR_OMNIBOX_DROPDOWN_SHADOW_BOTTOM : IDR_BUBBLE_B;
-  bottom_shadow_ = theme->GetImageSkiaNamed(bottom_shadow_asset);
+  if (ui::MaterialDesignController::IsModeMaterial()) {
+    top_shadow_ = theme->GetImageSkiaNamed(IDR_OMNIBOX_DROPDOWN_SHADOW_TOP);
+    bottom_shadow_ =
+        theme->GetImageSkiaNamed(IDR_OMNIBOX_DROPDOWN_SHADOW_BOTTOM);
+  } else {
+    bottom_shadow_ = theme->GetImageSkiaNamed(IDR_BUBBLE_B);
+  }
 
   SetEventTargeter(
       scoped_ptr<views::ViewTargeter>(new views::ViewTargeter(this)));