Remove unnecessary WebappInfo#copy()

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 e4f5fe67dccc7fe10498d3c10e6b0f4cfe865c5e..5015d888fa7ce26a7e20e0779b7bff08c6bc66f1 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
@@ -62,9 +62,10 @@ public class WebappActivity extends FullScreenActivity {
     private static final String TAG = "WebappActivity";
     private static final long MS_BEFORE_NAVIGATING_BACK_FROM_INTERSTITIAL = 1000;
 
-    private final WebappInfo mWebappInfo;
     private final WebappDirectoryManager mDirectoryManager;
 
+    private WebappInfo mWebappInfo;
+
     private boolean mOldWebappCleanupStarted;
 
     private ViewGroup mSplashScreen;
@@ -98,7 +99,7 @@ public class WebappActivity extends FullScreenActivity {
             Log.e(TAG, "Failed to parse new Intent: " + intent);
             finish();
         } else if (!TextUtils.equals(mWebappInfo.id(), newWebappInfo.id())) {
-            mWebappInfo.copy(newWebappInfo);
+            mWebappInfo = newWebappInfo;
             resetSavedInstanceState();
             if (mIsInitialized) initializeUI(null);
         }
@@ -123,7 +124,7 @@ public class WebappActivity extends FullScreenActivity {
     @Override
     public void preInflationStartup() {
         WebappInfo info = WebappInfo.create(getIntent());
-        if (info != null) mWebappInfo.copy(info);
+        if (info != null) mWebappInfo = info;
 
         ScreenOrientationProvider.lockOrientation((byte) mWebappInfo.orientation(), this);
         super.preInflationStartup();
@@ -230,6 +231,7 @@ public class WebappActivity extends FullScreenActivity {
 
     /**
      * @return Structure containing data about the webapp currently displayed.
+     *         The return value should not be cached.
      */
     WebappInfo getWebappInfo() {
         return mWebappInfo;