webapps: utilize manifest theme colors

chrome/browser/android/shortcut_data_fetcher.cc

Index: chrome/browser/android/shortcut_data_fetcher.cc
diff --git a/chrome/browser/android/shortcut_data_fetcher.cc b/chrome/browser/android/shortcut_data_fetcher.cc
index f4de97abf01de3ce29a20344ac178fcdf243362c..b273b05ae6c62c7036f52e33c3eb1b8de579ae1e 100644
--- a/chrome/browser/android/shortcut_data_fetcher.cc
+++ b/chrome/browser/android/shortcut_data_fetcher.cc
@@ -73,6 +73,9 @@ void ShortcutDataFetcher::OnDidGetWebApplicationInfo(
     shortcut_info_.display = content::Manifest::DISPLAY_MODE_STANDALONE;
   }
 
+  // Set the theme color to undefined
+  shortcut_info_.theme_color = content::Manifest::kInvalidOrMissingThemeColor;

[mlamouri (slow - plz ping), 2015/07/20 13:03:30]

It doesn't sound right to do that here. Shouldn't you do that in ShortcutInfo's
constructor?

[Lalit Maganti, 2015/07/20 13:15:19]

Moved.

+
   // Record what type of shortcut was added by the user.
   switch (web_app_info.mobile_capable) {
     case WebApplicationInfo::MOBILE_CAPABLE: