Fix Incorrect webapp behavior on Kitkat when reusing old WebappActivity.

chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappActivity.java
index 18a55aab7024be1f64550f2a1e1a43c21450a94b..87214d24d97f0fe8f41bdc2d289822f307b93400 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/webapps/WebappActivity.java
@@ -104,10 +104,6 @@ public class WebappActivity extends FullScreenActivity {
         if (newWebappInfo == null) {
             Log.e(TAG, "Failed to parse new Intent: " + intent);
             ApiCompatibilityUtils.finishAndRemoveTask(this);
-        } else if (!TextUtils.equals(mWebappInfo.id(), newWebappInfo.id())) {
-            mWebappInfo = newWebappInfo;
-            resetSavedInstanceState();
-            if (mIsInitialized) initializeUI(null);
         } else if (newWebappInfo.shouldForceNavigation() && mIsInitialized) {
             getActivityTab().loadUrl(new LoadUrlParams(
                     newWebappInfo.uri().toString(), PageTransition.AUTO_TOPLEVEL));