Support autopresenting WebVr content.

chrome/android/java/src/org/chromium/chrome/browser/IntentHandler.java

 // 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.
 
 package org.chromium.chrome.browser;
 
 import android.app.KeyguardManager;
 import android.app.PendingIntent;
 import android.app.SearchManager;
 import android.content.ComponentName;
@@ skipping 776 matching lines @@
         if (isChromeToken(token)) {
             return true;
         }
         if (ExternalAuthUtils.getInstance().isGoogleSigned(
                     ApiCompatibilityUtils.getCreatorPackage(token))) {
             return true;
         }
         return false;
     }
 
+    /**
+     * @param intent An Intent to be checked.
+     * @param packageName The app where the intent is expected to originate from
+     * @return Whether the intent originates from the first-party app with the given package name.
+     */
+    public static boolean isIntentFromTrustedApp(Intent intent, String packageName) {
+        if (intent == null) return false;
+
+        PendingIntent token = fetchAuthenticationTokenFromIntent(intent);
+        if (token == null) return false;
+
+        return isIntentChromeOrFirstParty(intent)
+                && ApiCompatibilityUtils.getCreatorPackage(token).equals(packageName);
+    }
+
     @VisibleForTesting
     boolean isIntentUserVisible() {
         // Only process Intents if the screen is on and the device is unlocked;
         // i.e. the user will see what is going on.
         Context appContext = ContextUtils.getApplicationContext();
         if (!ApiCompatibilityUtils.isInteractive(appContext)) return false;
         if (!ApiCompatibilityUtils.isDeviceProvisioned(appContext)) return true;
         return !((KeyguardManager) appContext.getSystemService(Context.KEYGUARD_SERVICE))
                 .inKeyguardRestrictedInputMode();
     }
@@ skipping 219 matching lines @@
     }
 
     /**
      * @param intent An Intent to be checked.
      * @return The launch type of the tab to be created.
      */
     public static TabLaunchType getTabLaunchType(Intent intent) {
         return IntentUtils.safeGetSerializableExtra(intent, EXTRA_TAB_LAUNCH_TYPE);
     }
 }