webapps: utilize manifest theme colors

chrome/browser/android/shortcut_info.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/shortcut_info.h"
 
 ShortcutInfo::ShortcutInfo()
     : display(content::Manifest::DISPLAY_MODE_BROWSER),
       orientation(blink::WebScreenOrientationLockDefault),
       source(SOURCE_ADD_TO_HOMESCREEN) {
@@ skipping 13 matching lines @@
     title = manifest.name.string();
 
   // Set the url based on the manifest value, if any.
   if (manifest.start_url.is_valid())
     url = manifest.start_url;
 
   // Set the display based on the manifest value, if any.
   if (manifest.display != content::Manifest::DISPLAY_MODE_UNSPECIFIED)
     display = manifest.display;
 
+  // Set the theme color based on the manifest value, if any
+  if (manifest.theme_color != -1)

[mlamouri (slow - plz ping), 2015/07/17 13:28:29]

ditto

+    theme_color = manifest.theme_color;
+
   // 'fullscreen' and 'minimal-ui' are not yet supported, fallback to the right
   // mode in those cases.
   if (manifest.display == content::Manifest::DISPLAY_MODE_FULLSCREEN)
     display = content::Manifest::DISPLAY_MODE_STANDALONE;
   if (manifest.display == content::Manifest::DISPLAY_MODE_MINIMAL_UI)
     display = content::Manifest::DISPLAY_MODE_BROWSER;
 
   // Set the orientation based on the manifest value, if any.
   if (manifest.orientation != blink::WebScreenOrientationLockDefault) {
     // Ignore the orientation if the display mode is different from
     // 'standalone'.
     // TODO(mlamouri): send a message to the developer console about this.
     if (display == content::Manifest::DISPLAY_MODE_STANDALONE)
       orientation = manifest.orientation;
   }
 }
 
 void ShortcutInfo::UpdateSource(const Source new_source) {
   source = new_source;
 }