Prevent "Incompatible App" message when entering VR.

chrome/android/java/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- 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. -->
 
 <!--
 Note: This is a jinja2 template, processed at build time into the final manifest.
 
 Blocks denoted with { % block some_name % }foo{ % endblock % } can be overridden
 by a child template that "extends" this file.
@@ skipping 301 matching lines @@
         </activity>
         <activity-alias android:name="com.google.android.apps.chrome.document.IncognitoDocumentActivity"
             android:targetActivity="org.chromium.chrome.browser.document.IncognitoDocumentActivity"
             android:exported="false"/>
 
         <!-- Custom Tabs -->
         <activity android:name="org.chromium.chrome.browser.customtabs.CustomTabActivity"
             android:theme="@style/MainTheme"
             android:exported="false"
             {{ self.chrome_activity_common() }}
-            {{ self.supports_video_persistence() }} >
+            {{ self.supports_video_persistence() }}
+        >
+            {{ self.supports_vr() }}
         </activity>
         <activity android:name="org.chromium.chrome.browser.customtabs.SeparateTaskCustomTabActivity"
             android:theme="@style/MainTheme"
             android:exported="false"
             android:taskAffinity=""
             android:persistableMode="persistNever"
             android:autoRemoveFromRecents="false"
             {{ self.chrome_activity_common() }}
-            {{ self.supports_video_persistence() }} >
+            {{ self.supports_video_persistence() }}
+        >
+            {{ self.supports_vr() }}
         </activity>
         {% for i in range(10) %}
         <activity android:name="org.chromium.chrome.browser.customtabs.SeparateTaskCustomTabActivity{{ i }}"
             android:theme="@style/MainTheme"
             android:icon="@mipmap/app_single_page_icon"
             android:exported="false"
             android:launchMode="singleTask"
             android:persistableMode="persistNever"
             android:taskAffinity=""
             {{ self.chrome_activity_common() }}
-            {{ self.supports_video_persistence() }} >
+            {{ self.supports_video_persistence() }}
+        >
+            {{ self.supports_vr() }}
         </activity>
         {% endfor %}
 
         <!-- ChromeTabbedActivity related -->
         <activity android:name="org.chromium.chrome.browser.ChromeTabbedActivity"
             android:theme="@style/TabbedModeTheme"
             android:exported="false"
             android:launchMode="singleTask"
             {# We can only use blocks once in Jinja, for future substitutions we use
             self.supports_video_persistence(). #}
             {% block supports_video_persistence %}
             android:supportsPictureInPicture="true"
             android:resizeableActivity="true"
             {% endblock %}
             {% block chrome_activity_common %}
             android:windowSoftInputMode="adjustResize"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|mcc|mnc|screenLayout|smallestScreenSize|uiMode"
             android:hardwareAccelerated="false"
             {% endblock %}
-            >
+        >
+            <!--
+              Daydream api categorizes an activity to three categories: Cardboard only, hybrid
+              or Daydream. It does so by testing if intents can be resolved by the activity
+              that requests it.
+            -->
+            {% block supports_vr %}
+            <intent-filter>
+                <action android:name="org.chromium.chrome.browser.dummy.action" />
+                <category android:name="com.google.intent.category.DAYDREAM" />
+                <category android:name="com.google.intent.category.CARDBOARD" />
+            </intent-filter>
+            {% endblock %}
         </activity>
         <activity android:name="org.chromium.chrome.browser.ChromeTabbedActivity2"
             android:theme="@style/TabbedModeTheme"
             android:exported="false"
             android:taskAffinity="{{ manifest_package }}.ChromeTabbedActivity2"
             android:launchMode="singleTask"
             {{ self.chrome_activity_common() }}
-            {{ self.supports_video_persistence() }}>
+            {{ self.supports_video_persistence() }}
+        >
+            {{ self.supports_vr() }}
         </activity>
         <activity android:name="org.chromium.chrome.browser.multiwindow.MultiInstanceChromeTabbedActivity"
             android:theme="@style/TabbedModeTheme"
             android:exported="false"
             {{ self.chrome_activity_common() }}>
         </activity>
         <activity android:name="org.chromium.chrome.browser.FullscreenWebContentsActivity"
             android:theme="@style/MainTheme"
             android:exported="false"
             {{ self.chrome_activity_common() }}
@@ skipping 104 matching lines @@
         <activity-alias android:name="com.google.android.apps.chrome.webapps.WebappManager"
             android:targetActivity="org.chromium.chrome.browser.webapps.WebappLauncherActivity">
         </activity-alias>
         <activity android:name="org.chromium.chrome.browser.webapps.WebappActivity"
             android:theme="@style/WebappTheme"
             android:label="@string/webapp_activity_title"
             android:launchMode="singleTop"
             android:documentLaunchMode="intoExisting"
             android:persistableMode="persistNever"
             {{ self.supports_video_persistence() }}
-            {{ self.chrome_activity_common() }}>
+            {{ self.chrome_activity_common() }}
+        >
+            {{ self.supports_vr() }}
         </activity>
         <activity-alias android:name="com.google.android.apps.chrome.webapps.WebappActivity"
             android:targetActivity="org.chromium.chrome.browser.webapps.WebappActivity"
             android:label="@string/webapp_activity_title"
             {{ self.supports_video_persistence() }} >
         </activity-alias>
         {% for i in range(10) %}
         <activity android:name="org.chromium.chrome.browser.webapps.WebappActivity{{ i }}"
             android:theme="@style/WebappTheme"
             android:icon="@mipmap/app_shortcut_icon"
             android:label="@string/webapp_activity_title"
             android:launchMode="singleTask"
             android:persistableMode="persistNever"
             android:taskAffinity="{{ manifest_package }}.webapps.WebappActivity{{ i }}"
             {{ self.supports_video_persistence() }}
-            {{ self.chrome_activity_common() }}>
+            {{ self.chrome_activity_common() }}
+        >
+           {{ self.supports_vr() }}
         </activity>
         <activity-alias android:name="com.google.android.apps.chrome.webapps.WebappActivity{{ i }}"
             android:targetActivity="org.chromium.chrome.browser.webapps.WebappActivity{{ i }}"
             android:icon="@mipmap/app_shortcut_icon"
             android:label="@string/webapp_activity_title">
         </activity-alias>
         {% endfor %}
         <!-- Activities for WebAPKs. -->
         <activity android:name="org.chromium.chrome.browser.webapps.WebApkActivity"
             android:theme="@style/WebappTheme"
             android:label="@string/webapp_activity_title"
             android:launchMode="singleTop"
             android:documentLaunchMode="intoExisting"
             android:persistableMode="persistNever"
             {{ self.supports_video_persistence() }}
-            {{ self.chrome_activity_common() }}>
+            {{ self.chrome_activity_common() }}
+        >
+            {{ self.supports_vr() }}
         </activity>
         {% for i in range(10) %}
         <activity android:name="org.chromium.chrome.browser.webapps.WebApkActivity{{ i }}"
             android:theme="@style/WebappTheme"
             android:icon="@mipmap/app_shortcut_icon"
             android:label="@string/webapp_activity_title"
             android:launchMode="singleTask"
             android:persistableMode="persistNever"
             android:taskAffinity="{{ manifest_package }}.webapps.WebApkActivity{{ i }}"
             {{ self.supports_video_persistence() }}
-            {{ self.chrome_activity_common() }}>
+            {{ self.chrome_activity_common() }}
+        >
+            {{ self.supports_vr() }}
         </activity>
         {% endfor %}
 
         <activity android:name="org.chromium.chrome.browser.media.remote.ExpandedControllerActivity"
             android:theme="@style/MainTheme"
             android:label="Chrome.ExpandedControllerActivity"
             android:hardwareAccelerated="true"
             android:launchMode="singleTask"
             android:noHistory="true"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|mcc|mnc|screenLayout|smallestScreenSize"
@@ skipping 456 matching lines @@
              choose the first MediaRouteController that can play it, so the order of the list can be important.
              The most specific MediaRouteControllers should be listed first, followed by more generic ones.
              The downstream manifest replaces this block, and hence replaces the list of media route
              controllers with its own list. -->
         <meta-data android:name="org.chromium.content.browser.REMOTE_MEDIA_PLAYERS"
             android:value="org.chromium.chrome.browser.media.remote.DefaultMediaRouteController"/>
 
         {% endblock %}
     </application>
 </manifest>