[Icons NTP] Refactor large_icon_source to extract the logic shared between desktop and Android to f…

components/favicon_base/favicon_types.cc

Index: components/favicon_base/favicon_types.cc
diff --git a/components/favicon_base/favicon_types.cc b/components/favicon_base/favicon_types.cc
index 0188f1e9b274da04a646a6a8a46a194de26bfc1c..e46abc04ffb502bc4c87d6faf1ffaf7afea45136 100644
--- a/components/favicon_base/favicon_types.cc
+++ b/components/favicon_base/favicon_types.cc
@@ -23,4 +23,14 @@ FaviconRawBitmapResult::FaviconRawBitmapResult()
 FaviconRawBitmapResult::~FaviconRawBitmapResult() {
 }
 
+// --------------------------------------------------------
+// LargeIconResult
+
+LargeIconResult::LargeIconResult()
+    : dominant_color(SK_ColorTRANSPARENT) {
+}
+
+LargeIconResult::~LargeIconResult() {
+}
+
 }  // namespace favicon_base