Fix bad merge.

https://chromium-review.googlesource.com/c/chromium/src/+/1980478/3..4/chrome/browser/ui/views/web_apps/web_app_frame_toolbar_view.cc#b479
unintentionally removed a line.  That line will eventually be removed later, but
for now removing it is a regression.  Undo the removal.

Bug: 1033922
Tbr: estade
Change-Id: If1f37f3549d8870191051b6b2e661afedc0ea044
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1984747Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#727835}

chrome/browser/ui/views/web_apps/web_app_frame_toolbar_view.cc

@@ -477,6 +477,9 @@ class WebAppFrameToolbarView::ToolbarButtonContainer
     return GetNativeTheme()->GetSystemColor(
         ui::NativeTheme::kColorId_TextfieldDefaultColor);
   }
+  SkColor GetIconLabelBubbleInkDropColor() const override {
+    return icon_color_;
+  }
 
   // ContentSettingImageView::Delegate:
   content::WebContents* GetContentSettingWebContents() override {