Upstream oodles of Chrome for Android code into Chromium.

chrome/android/javatests/src/org/chromium/chrome/browser/compositor/layouts/MockContextForLayout.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.compositor.layouts;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.res.Resources;
+import android.os.Looper;
+import android.test.mock.MockContext;
+import android.test.mock.MockResources;
+
+/**
+ * This is the minimal {@link Context} needed by the {@link LayoutManager} to be working properly.
+ * It points to a {@link MockResources} for anything that is based on xml configurations. For
+ * everything else the standard provided Context should be sufficient.
+ */
+public class MockContextForLayout extends MockContext {
+    private final Context mValidContext;
+    private final MockResourcesForLayout mResources;
+    private final Resources.Theme mTheme;
+
+    public MockContextForLayout(Context validContext) {
+        mValidContext = validContext;
+        mResources = new MockResourcesForLayout(validContext.getResources());
+        mTheme = mResources.newTheme();
+    }
+
+    @Override
+    public Resources getResources() {
+        return mResources;
+    }
+
+    @Override
+    public ApplicationInfo getApplicationInfo() {
+        return mValidContext.getApplicationInfo();
+    }
+
+    @Override
+    public Object getSystemService(String name) {
+        return mValidContext.getSystemService(name);
+    }
+
+    @Override
+    public PackageManager getPackageManager() {
+        return mValidContext.getPackageManager();
+    }
+
+    @Override
+    public Context getApplicationContext() {
+        return this;
+    }
+
+    @Override
+    public int checkCallingOrSelfPermission(String permission) {
+        return mValidContext.checkCallingOrSelfPermission(permission);
+    }
+
+    @Override
+    public Looper getMainLooper() {
+        return mValidContext.getMainLooper();
+    }
+
+    @Override
+    public Resources.Theme getTheme() {
+        return mTheme;
+    }
+}