Support setting mouse cursor icon in Android N.

chrome/android/java/res/layout/main.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- 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. -->
 
 <merge xmlns:android="http://schemas.android.com/apk/res/android">
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical">
 
-        <android.support.design.widget.CoordinatorLayout
+        <org.chromium.chrome.browser.coordinator.CoordinatorLayoutForPointer
             android:id="@+id/coordinator"
             android:layout_width="match_parent"
             android:layout_height="0dp"
             android:layout_weight="1" >
 
             <org.chromium.chrome.browser.compositor.CompositorViewHolder
                 android:id="@+id/compositor_view_holder"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent" />
 
            <FrameLayout
                 android:id="@+id/overview_list_layout_holder"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent" />
+                android:layout_height="wrap_content" />

[Ted C, 2017/08/09 04:30:54]

With your fixes for pointers in the outer container, I think this should be
match parent now.  If we need to mark it gone, that seems more correct as well.

[jaebaek, 2017/08/09 06:38:17]

Marking it gone causes several test failures such as OverviewListLayoutTest
https://cs.chromium.org/chromium/src/chrome/android/javatests/src/org/chromiu....

When I test it on a real mobile with ENABLE_ACCESSIBILITY_TAB_SWITCHER, the tab
switch does not show the overview list of tabs. I think this must be visible. Do
you think setting the height as wrap_content will cause some side effects? If it
will, please let me know potential side effects.

[Ted C, 2017/08/09 16:30:55]

I think we should fix the code to make this work then.

At a quick glance, I think we could look at changing
OverviewListLayout#attachViews and detachViews to set the visibility of the
parent.

[jaebaek, 2017/08/11 00:47:35]

Done.

 
             <org.chromium.chrome.browser.snackbar.BottomContainer
                 android:id="@+id/bottom_container"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_gravity="start|bottom">
 
                 <HorizontalScrollView
                     android:id="@+id/keyboard_accessory"
                     android:layout_height="@dimen/keyboard_accessory_height"
@@ skipping 48 matching lines @@
                 android:id="@+id/bottom_nav_stub"
                 android:layout_width="match_parent"
                 android:layout_height="@dimen/bottom_nav_height"
                 android:layout_gravity="start|bottom"
                 android:inflatedId="@+id/bottom_nav"
                 android:layout="@layout/bottom_sheet_bottom_nav" />
 
            <FrameLayout
                 android:id="@+id/bottom_sheet_snackbar_container"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent"
+                android:layout_height="wrap_content"
                 android:layout_gravity="start|bottom"
                 android:layout_marginTop="@dimen/bottom_nav_height_inverse" />
 
             <ViewStub
                 android:id="@+id/empty_container_stub"
                 android:inflatedId="@+id/empty_container"
                 android:layout="@layout/empty_background_view_tablet"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent" />
-
-        </android.support.design.widget.CoordinatorLayout>
+        </org.chromium.chrome.browser.coordinator.CoordinatorLayoutForPointer>
 
     </LinearLayout>
 
     <!-- This empty view is used as the anchor for custom menu -->
     <View
         android:id="@+id/menu_anchor_stub"
         android:layout_width="0px"
         android:layout_height="0px"
         android:layout_gravity="bottom|start"
         />
 </merge>