Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/widget/BoundedLinearLayout.java

+// 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.chrome.browser.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.widget.LinearLayout;
+
+import com.google.android.apps.chrome.R;
+
+/**
+ * A LinearLayout that can be constrained to a maximum width.
+ *
+ * Example:
+ *   <org.chromium.chrome.browser.widget.BoundedLinearLayout
+ *       xmlns:android="http://schemas.android.com/apk/res/android"
+ *       xmlns:chrome="http://schemas.android.com/apk/res-auto"
+ *       android:layout_width="match_parent"
+ *       android:layout_height="match_parent"
+ *       chrome:maxWidth="692dp" >
+ *     ...
+ */
+public class BoundedLinearLayout extends LinearLayout {
+
+    private static final int NO_MAX_WIDTH = -1;
+
+    private final int mMaxWidth;
+
+    /**
+     * Constructor for inflating from XML.
+     */
+    public BoundedLinearLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.BoundedView);
+        mMaxWidth = a.getDimensionPixelSize(R.styleable.BoundedView_maxWidth, NO_MAX_WIDTH);
+        a.recycle();
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        // Limit width to mMaxWidth.
+        int widthSize = MeasureSpec.getSize(widthMeasureSpec);
+        if (mMaxWidth != NO_MAX_WIDTH && widthSize > mMaxWidth) {
+            int widthMode = MeasureSpec.getMode(widthMeasureSpec);
+            if (widthMode == MeasureSpec.UNSPECIFIED) widthMode = MeasureSpec.AT_MOST;
+            widthMeasureSpec = MeasureSpec.makeMeasureSpec(mMaxWidth, widthMode);
+        }
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+}