webapps: utilize manifest theme colors

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappLauncherActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappLauncherActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappLauncherActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappLauncherActivity.java
index 0f6607eb7e7a5cb09f00e7eab95307db2068178b..ed5a928d2efc03cd7e9d81b198d78223b293c99f 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappLauncherActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappLauncherActivity.java
@@ -48,6 +48,8 @@ public class WebappLauncherActivity extends Activity {
                 ShortcutHelper.EXTRA_ORIENTATION, ScreenOrientationValues.DEFAULT);
         int webappSource = IntentUtils.safeGetIntExtra(intent,
                 ShortcutHelper.EXTRA_SOURCE, ShortcutSource.UNKNOWN);
+        long webappThemeColor = IntentUtils.safeGetLongExtra(intent,
+                ShortcutHelper.EXTRA_THEME_COLOR, ShortcutHelper.THEME_COLOR_INVALID_OR_MISSING);
 
         String webappName = WebappInfo.nameFromIntent(intent);
         String webappShortName = WebappInfo.shortNameFromIntent(intent);
@@ -62,7 +64,7 @@ public class WebappLauncherActivity extends Activity {
             if (webappMac != null && WebappAuthenticator.isUrlValid(this, webappUrl, webappMac)) {
                 LaunchMetrics.recordHomeScreenLaunchIntoStandaloneActivity(webappUrl, webappSource);
                 launchIntent = createWebappIntent(webappId, webappUrl, webappIcon, webappName,
-                        webappShortName, webappOrientation, webappSource);
+                        webappShortName, webappOrientation, webappSource, webappThemeColor);
             } else {
                 Log.e(TAG, "Shortcut (" + webappUrl + ") opened in Chrome.");
 
@@ -90,10 +92,11 @@ public class WebappLauncherActivity extends Activity {
      * @param name        String to show on the splash screen.
      * @param shortName   String to show on the recents menu
      * @param orientation Default orientation for the activity.
+     * @param themeColor  Theme color to use for the activity.
      * @return Intent that can be used to launch the releveant WebappActivity.
      */
     private Intent createWebappIntent(String id, String url, String icon, String name,
-            String shortName, int orientation, int source) {
+            String shortName, int orientation, int source, long themeColor) {
         String activityName = WebappActivity.class.getName();
         if (!FeatureUtilities.isDocumentModeEligible(this)) {
             // Specifically assign the app to a particular WebappActivity instance.
@@ -111,6 +114,7 @@ public class WebappLauncherActivity extends Activity {
         webappIntent.putExtra(ShortcutHelper.EXTRA_SHORT_NAME, shortName);
         webappIntent.putExtra(ShortcutHelper.EXTRA_ORIENTATION, orientation);
         webappIntent.putExtra(ShortcutHelper.EXTRA_SOURCE, source);
+        webappIntent.putExtra(ShortcutHelper.EXTRA_THEME_COLOR, themeColor);
 
         // On L, firing intents with the exact same data should relaunch a particular Activity.
         webappIntent.setAction(Intent.ACTION_VIEW);