Revert of Revert of Show IME when DPAD_CENTER is pressed

content/public/android/javatests/src/org/chromium/content/browser/ContentViewCoreDpadTest.java

Index: content/public/android/javatests/src/org/chromium/content/browser/ContentViewCoreDpadTest.java
diff --git a/content/public/android/javatests/src/org/chromium/content/browser/ContentViewCoreDpadTest.java b/content/public/android/javatests/src/org/chromium/content/browser/ContentViewCoreDpadTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..0db99aa9c5e9d79c239189889a25eafeb15f0a9b
--- /dev/null
+++ b/content/public/android/javatests/src/org/chromium/content/browser/ContentViewCoreDpadTest.java
@@ -0,0 +1,63 @@
+// Copyright 2014 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.content.browser;
+
+import android.content.Context;
+import android.test.suitebuilder.annotation.SmallTest;
+import android.view.KeyEvent;
+
+import org.chromium.content.browser.input.ImeAdapter;
+import org.chromium.content_shell_apk.ContentShellTestBase;
+
+/**
+ * Tests that ContentViewCore responds to DPAD key events correctly
+ */
+public class ContentViewCoreDpadTest extends ContentShellTestBase {
+    TestContentViewCore mContentViewCore;
+    private static class TestImeAdapter extends ImeAdapter {
+        public TestImeAdapter() {
+            super(null, null);
+        }
+
+        @Override
+        public boolean dispatchKeyEvent(KeyEvent event) {
+            return true;
+        }
+    }
+
+    private static class TestContentViewCore extends ContentViewCore {
+        private boolean mIsShowImeIfNeededCalled = false;
+        public TestContentViewCore(Context context) {
+            super(context);
+        }
+
+        public boolean isShowImeIfNeededCalled() {
+            return mIsShowImeIfNeededCalled;
+        }
+
+        @Override
+        public void showImeIfNeeded() {
+            mIsShowImeIfNeededCalled = true;
+        }
+    }
+
+    public void setUp() throws Exception {
+        super.setUp();
+        mContentViewCore = new TestContentViewCore(getActivity());
+        mContentViewCore.setImeAdapterForTest(new TestImeAdapter());
+    }
+
+    @SmallTest
+    // Test KEYCODE_DPAD_CENTER keyevent will bring up the IME, if needed
+    public void testDpadCenterBringsUpIme() throws Exception {
+        KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DPAD_CENTER);
+
+        mContentViewCore.dispatchKeyEvent(event);
+
+        // Just assert showImeIfNeeded is called. Software keyboard may not show if a QWERTY
+        // keyboard is connected or if the focused object is not editable.
+        assertTrue(mContentViewCore.isShowImeIfNeededCalled());
+    }
+}