Introduce the bottom sheet class for Chrome Home

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

Index: chrome/android/java/res/layout/bottom_control_container.xml
diff --git a/chrome/android/java/res/layout/bottom_control_container.xml b/chrome/android/java/res/layout/bottom_control_container.xml
index 998fe8dc0dee5c4f827b93bc949ecc3118fcc259..44e0ef5880c6fd0275646c6ab23aa4efe1130c97 100644
--- a/chrome/android/java/res/layout/bottom_control_container.xml
+++ b/chrome/android/java/res/layout/bottom_control_container.xml
@@ -2,37 +2,58 @@
 <!-- Copyright 2016 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. -->
-<org.chromium.chrome.browser.toolbar.ToolbarControlContainer xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/control_container"
+
+<org.chromium.chrome.browser.widget.BottomSheet
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/bottom_sheet"
     android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:layout_gravity="bottom"
-    android:minHeight="@dimen/control_container_height" >
-    <view
-        class="org.chromium.chrome.browser.toolbar.ToolbarControlContainer$ToolbarViewResourceFrameLayout"
-        android:id="@+id/toolbar_container"
+    android:layout_height="wrap_content" >
+
+    <LinearLayout
+        android:id="@+id/bottom_sheet_content_wrapper"

[Ian Wen, 2017/01/11 19:46:53]

This linear layout might not be necessary. You can simply let the view below
have a top margin of control_container_height?

[mdjones, 2017/01/12 21:26:57]

Removed.

         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
-        <ImageView
-            android:id="@+id/toolbar_shadow"
+        android:layout_height="wrap_content"
+        android:orientation="vertical" >
+
+        <org.chromium.chrome.browser.toolbar.ToolbarControlContainer
+            android:id="@+id/control_container"
             android:layout_width="match_parent"
-            android:layout_height="@dimen/toolbar_shadow_height"
-            android:src="@drawable/toolbar_shadow"
-            android:scaleType="fitXY"
-            android:scaleY="-1"
-            android:contentDescription="@null" />
-        <ViewStub
-            android:id="@+id/toolbar_stub"
+            android:layout_height="wrap_content"
+            android:minHeight="@dimen/control_container_height" >
+            <view
+                class="org.chromium.chrome.browser.toolbar.ToolbarControlContainer$ToolbarViewResourceFrameLayout"
+                android:id="@+id/toolbar_container"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+                <ImageView
+                    android:id="@+id/toolbar_shadow"
+                    android:layout_width="match_parent"
+                    android:layout_height="@dimen/toolbar_shadow_height"
+                    android:src="@drawable/toolbar_shadow"
+                    android:scaleType="fitXY"
+                    android:scaleY="-1"
+                    android:contentDescription="@null" />
+                <ViewStub
+                    android:id="@+id/toolbar_stub"
+                    android:layout_width="match_parent"
+                    android:layout_height="@dimen/toolbar_height_no_shadow"
+                    android:layout_marginTop="@dimen/toolbar_shadow_height" />
+                <ViewStub
+                    android:id="@+id/find_toolbar_stub"
+                    android:inflatedId="@+id/find_toolbar"
+                    android:visibility="gone"
+                    android:layout_marginTop="@dimen/toolbar_shadow_height"
+                    android:layout_width="match_parent"
+                    android:layout_height="@dimen/toolbar_height_no_shadow"
+                    android:layout="@layout/find_toolbar" />
+            </view>
+        </org.chromium.chrome.browser.toolbar.ToolbarControlContainer>
+
+        <View
+            android:id="@+id/bottom_sheet_content"
             android:layout_width="match_parent"
-            android:layout_height="@dimen/toolbar_height_no_shadow"
-            android:layout_marginTop="@dimen/toolbar_shadow_height" />
-        <ViewStub
-            android:id="@+id/find_toolbar_stub"
-            android:inflatedId="@+id/find_toolbar"
-            android:visibility="gone"
-            android:layout_marginTop="@dimen/toolbar_shadow_height"
-            android:layout_width="match_parent"
-            android:layout_height="@dimen/toolbar_height_no_shadow"
-            android:layout="@layout/find_toolbar" />
-    </view>
-</org.chromium.chrome.browser.toolbar.ToolbarControlContainer>
+            android:layout_height="match_parent"
+            android:background="@android:color/white" />
+
+    </LinearLayout>
+</org.chromium.chrome.browser.widget.BottomSheet>