[Android] Supporting floating select ActionModes for web content

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

Index: content/public/android/java/src/org/chromium/content/browser/FloatingWebActionModeCallback.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/FloatingWebActionModeCallback.java b/content/public/android/java/src/org/chromium/content/browser/FloatingWebActionModeCallback.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d4e29c03e0c00a9b577645eb4e763cf3714cb8c
--- /dev/null
+++ b/content/public/android/java/src/org/chromium/content/browser/FloatingWebActionModeCallback.java
@@ -0,0 +1,50 @@
+// 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;
+
+import android.graphics.Rect;
+import android.view.ActionMode;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+
+/**
+ * A wrapper for SelectActionModeCallback that extends ActionMode.Callback2 to
+ * support floating ActionModes.
+ */
+public class FloatingWebActionModeCallback extends ActionMode.Callback2 {
+    private final WebActionModeCallback mWrappedCallback;
+
+    public FloatingWebActionModeCallback(WebActionModeCallback wrappedCallback) {
+        mWrappedCallback = wrappedCallback;
+    }
+
+    @Override
+    public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+        // If the created ActionMode isn't actually floating, abort creation altogether.
+        if (mode.getType() != ActionMode.TYPE_FLOATING) return false;
+        return mWrappedCallback.onCreateActionMode(mode, menu);
+    }
+
+    @Override
+    public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+        return mWrappedCallback.onPrepareActionMode(mode, menu);
+    }
+
+    @Override
+    public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+        return mWrappedCallback.onActionItemClicked(mode, item);
+    }
+
+    @Override
+    public void onDestroyActionMode(ActionMode mode) {
+        mWrappedCallback.onDestroyActionMode(mode);
+    }
+
+    @Override
+    public void onGetContentRect(ActionMode mode, View view, Rect outRect) {
+        mWrappedCallback.onGetContentRect(mode, view, outRect);
+    }
+}