Implement the new Photo picker, part two.

ui/android/java/src/org/chromium/ui/base/SelectFileDialog.java

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.ui.base;
 
 import android.Manifest;
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.ClipData;
@@ skipping 247 matching lines @@
         if (!mWindowAndroid.showIntent(chooser, this, R.string.low_memory_error)) {
             onFileNotSelected();
         }
     }
 
     @Override
     public void onPickerUserAction(Action action, String[] photos) {
         UiUtils.dismissPhotoPicker();
 
         switch (action) {
+            case CANCEL:
+                onFileNotSelected();
+                break;
+
             case PHOTOS_SELECTED:
                 // TODO(finnur): Implement.
                 onFileNotSelected();
                 break;
 
             case LAUNCH_GALLERY:
                 // TODO(finnur): Implement.
                 onFileNotSelected();
                 break;
 
@@ skipping 296 matching lines @@
     static SelectFileDialog create(long nativeSelectFileDialog) {
         return new SelectFileDialog(nativeSelectFileDialog);
     }
 
     private native void nativeOnFileSelected(long nativeSelectFileDialogImpl,
             String filePath, String displayName);
     private native void nativeOnMultipleFilesSelected(long nativeSelectFileDialogImpl,
             String[] filePathArray, String[] displayNameArray);
     private native void nativeOnFileNotSelected(long nativeSelectFileDialogImpl);
 }