Always add flag "FLAG_ACTIVITY_NEW_TASK" when doing a Web Search

android_webview/java/src/org/chromium/android_webview/AwContentViewClient.java

Index: android_webview/java/src/org/chromium/android_webview/AwContentViewClient.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwContentViewClient.java b/android_webview/java/src/org/chromium/android_webview/AwContentViewClient.java
index 2246be3001505b040513befab9e83a2967bc78a5..168ea650dc363f9fb2864854ff82336e1d4c93a3 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwContentViewClient.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwContentViewClient.java
@@ -5,6 +5,7 @@
 package org.chromium.android_webview;
 
 import android.annotation.SuppressLint;
+import android.app.SearchManager;
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
@@ -189,4 +190,23 @@ public class AwContentViewClient extends ContentViewClient implements ContentVid
     public boolean isExternalFlingActive() {
         return mAwContents.isFlingActive();
     }
+
+    @Override
+    public boolean doesPerformWebSearch() {
+        return true;
+    }
+
+    @Override
+    public void performWebSearch(String query) {
+        Intent i = new Intent(Intent.ACTION_WEB_SEARCH);
+        i.putExtra(SearchManager.EXTRA_NEW_SEARCH, true);
+        i.putExtra(SearchManager.QUERY, query);
+        i.putExtra(Browser.EXTRA_APPLICATION_ID, mContext.getPackageName());
+        i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        try {
+            mContext.startActivity(i);
+        } catch (android.content.ActivityNotFoundException ex) {
+            // If no app handles it, do nothing.
+        }
+    }
 }