Track when fallback icon color is the default.

chrome/browser/android/large_icon_bridge.cc

Index: chrome/browser/android/large_icon_bridge.cc
diff --git a/chrome/browser/android/large_icon_bridge.cc b/chrome/browser/android/large_icon_bridge.cc
index cbff92d9da8d3268d6d7c5dd30fc16e6e839283e..513d46fa8b16f71153d3ef8ed565e77d3aef20d2 100644
--- a/chrome/browser/android/large_icon_bridge.cc
+++ b/chrome/browser/android/large_icon_bridge.cc
@@ -30,8 +30,6 @@ using base::android::ConvertJavaStringToUTF16;
 
 namespace {
 
-const SkColor kDefaultBackgroundColor = SkColorSetRGB(0x78, 0x78, 0x78);
-
 void OnLargeIconAvailable(
     ScopedJavaGlobalRef<jobject>* j_callback,
     const favicon_base::LargeIconResult& result) {
@@ -48,12 +46,13 @@ void OnLargeIconAvailable(
       j_bitmap = gfx::ConvertToJavaBitmap(&bitmap);
   }
 
-  jint background_color = kDefaultBackgroundColor;
+  favicon_base::FallbackIconStyle fallback;
   if (result.fallback_icon_style)
-    background_color = result.fallback_icon_style->background_color;
+    fallback = *result.fallback_icon_style;
 
-  Java_LargeIconCallback_onLargeIconAvailable(env, j_callback->obj(), j_bitmap,
-                                              background_color);
+  Java_LargeIconCallback_onLargeIconAvailable(
+      env, j_callback->obj(), j_bitmap, fallback.background_color,
+      fallback.is_default_background_color);
 }
 
 }  // namespace