Pass along our package name as the app id if one is not passed in for
web search intents.

Fixes http://b/2020191

src/com/android/googlesearch/GoogleSearch.java

diff --git a/src/com/android/googlesearch/GoogleSearch.java b/src/com/android/googlesearch/GoogleSearch.java
index ea0652a..c0db663 100644
--- a/src/com/android/googlesearch/GoogleSearch.java
+++ b/src/com/android/googlesearch/GoogleSearch.java
@@ -109,17 +109,19 @@
         
         // The browser can pass along an application id which it uses to figure out which
         // window to place a new search into. So if this exists, we'll pass it back to
-        // the browser.
+        // the browser. Otherwise, add our own package name as the application id, so that
+        // the browser can organize all searches launched from this provider together.
         String applicationId = intent.getStringExtra(Browser.EXTRA_APPLICATION_ID);
+        if (applicationId == null) {
+            applicationId = getPackageName();
+        }
 
         try {
             String searchUri = googleSearchUrlBase
                     + "&source=android-" + source
                     + "&q=" + URLEncoder.encode(query, "UTF-8");
             Intent launchUriIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(searchUri));
-            if (applicationId != null) {
-                launchUriIntent.putExtra(Browser.EXTRA_APPLICATION_ID, applicationId);
-            }
+            launchUriIntent.putExtra(Browser.EXTRA_APPLICATION_ID, applicationId);
             launchUriIntent.putExtra(Browser.EXTRA_POST_DATA, getLocationData());
             launchUriIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             startActivity(launchUriIntent);