Add an experimental search widget

chrome/android/java/AndroidManifest.xml

Index: chrome/android/java/AndroidManifest.xml
diff --git a/chrome/android/java/AndroidManifest.xml b/chrome/android/java/AndroidManifest.xml
index 45f9a379cb9906a64f7cd2a06ed8f63c5e0bb0ef..220369ff601dba09d3bbe534b37aa7366806f915 100644
--- a/chrome/android/java/AndroidManifest.xml
+++ b/chrome/android/java/AndroidManifest.xml
@@ -731,6 +731,37 @@ by a child template that "extends" this file.
         <receiver android:name="org.chromium.chrome.browser.bookmarkswidget.BookmarkWidgetProxy"
             android:exported="false" />
 
+        {% if channel in ['default'] %}
+        <!-- Search widget -->
+        <receiver android:name="org.chromium.chrome.browser.searchwidget.SearchWidgetProvider"
+            android:process=":search_widget">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="org.chromium.chrome.browser.searchwidget.START_SEARCH_ACTIVITY" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="org.chromium.chrome.browser.searchwidget.UPDATE_ALL_WIDGETS" />
+            </intent-filter>
+            <meta-data android:name="android.appwidget.provider"
+                       android:resource="@xml/search_widget_info" />
+        </receiver>
+
+        <!-- Search Activity -->
+        <activity android:name="org.chromium.chrome.browser.searchwidget.SearchActivity"
+            android:theme="@style/OverlayTheme"
+            android:label="Search"
+            android:exported="false"
+            android:launchMode="singleInstance"
+            android:taskAffinity=""
+            android:clearTaskOnLaunch="true"
+            android:excludeFromRecents="true"
+            android:windowSoftInputMode="adjustResize"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|mcc|mnc|screenLayout|smallestScreenSize"
+            android:hardwareAccelerated="false" />
+        {% endif %}
+
         <!-- Receiver for GCM messages. -->
         <receiver android:name="com.google.android.gms.gcm.GcmReceiver"
             android:exported="true"