Migrate IME state update flow

content/public/android/java/src/org/chromium/content/browser/ViewUtils.java

Index: content/public/android/java/src/org/chromium/content/browser/ViewUtils.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ViewUtils.java b/content/public/android/java/src/org/chromium/content/browser/ViewUtils.java
new file mode 100644
index 0000000000000000000000000000000000000000..44260621121e7c2ca56e20f4ed9a41ffca19ca0f
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content/browser/ViewUtils.java
@@ -0,0 +1,24 @@
+// Copyright 2017 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.view.View;
+
+/**
+ * A utility class that has helper methods for Android view.
+ */
+public final class ViewUtils {
+    // Prevent instantiation.
+    private ViewUtils() {}
+
+    /**
+     * @return {@code true} if the given view has a focus.
+     */
+    public static boolean hasFocus(View view) {
+        // If the container view is not focusable, we consider it always focused from
+        // Chromium's point of view.
+        return !view.isFocusable() ? true : view.hasFocus();
+    }
+}