Revert of Migrate IME state update flow

content/public/android/javatests/src/org/chromium/content/browser/input/TestImeAdapterDelegate.java

Index: content/public/android/javatests/src/org/chromium/content/browser/input/TestImeAdapterDelegate.java
diff --git a/content/public/android/javatests/src/org/chromium/content/browser/input/TestImeAdapterDelegate.java b/content/public/android/javatests/src/org/chromium/content/browser/input/TestImeAdapterDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..fc6753fe5f1f0482d56c7e7609559d6bdffa5bd9
--- /dev/null
+++ b/content/public/android/javatests/src/org/chromium/content/browser/input/TestImeAdapterDelegate.java
@@ -0,0 +1,42 @@
+// Copyright 2015 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.input;
+
+import android.os.ResultReceiver;
+import android.view.View;
+
+import org.chromium.content.browser.input.ImeAdapter.ImeAdapterDelegate;
+
+/**
+ * An empty ImeAdapterDelegate used for testing.
+ */
+public class TestImeAdapterDelegate implements ImeAdapterDelegate {
+    private final View mView;
+
+    public TestImeAdapterDelegate(View view) {
+        mView = view;
+    }
+
+    @Override
+    public void onImeEvent() {}
+
+    @Override
+    public void onKeyboardBoundsUnchanged() {}
+
+    @Override
+    public boolean performContextMenuAction(int id) {
+        return false;
+    }
+
+    @Override
+    public View getAttachedView() {
+        return mView;
+    }
+
+    @Override
+    public ResultReceiver getNewShowKeyboardReceiver() {
+        return null;
+    }
+}