[task_manager] Add ARC process whitelist.

chrome/browser/task_manager/providers/arc/arc_process_filter_unittest.cc

Index: chrome/browser/task_manager/providers/arc/arc_process_filter_unittest.cc
diff --git a/chrome/browser/task_manager/providers/arc/arc_process_filter_unittest.cc b/chrome/browser/task_manager/providers/arc/arc_process_filter_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f26ae4d6953aecd22df8abe59f6f98047ceb2162
--- /dev/null
+++ b/chrome/browser/task_manager/providers/arc/arc_process_filter_unittest.cc
@@ -0,0 +1,55 @@
+// Copyright 2017 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.
+
+#include "chrome/browser/task_manager/providers/arc/arc_process_filter.h"
+
+#include <string>
+
+#include "chrome/browser/chromeos/arc/process/arc_process.h"
+#include "components/arc/common/process.mojom.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace task_manager {
+
+namespace {
+
+const arc::ArcProcess kTest1Process(0 /* nspid */,
+                                    0 /* pid */,
+                                    "/system/test1_process",
+                                    arc::mojom::ProcessState::PERSISTENT,
+                                    false /* is_focused */,
+                                    0 /* last_activity_time */);
+
+const arc::ArcProcess kTest2Process(0 /* nspid */,
+                                    0 /* pid */,
+                                    "/system/test2_process",
+                                    arc::mojom::ProcessState::PERSISTENT,
+                                    false /* is_focused */,
+                                    0 /* last_activity_time */);
+
+const arc::ArcProcess kTopProcess(0 /* nspid */,
+                                  0 /* pid */,
+                                  "top_process",
+                                  arc::mojom::ProcessState::TOP,
+                                  false /* is_focused */,
+                                  0 /* last_activity_time */);
+
+}  // namespace
+
+using ArcProcessFilterTest = testing::Test;
+
+TEST_F(ArcProcessFilterTest, ExplicitWhitelist) {
+  ArcProcessFilter filter({"/system/test1_process", "test"});
+  EXPECT_TRUE(filter.ShouldDisplayProcess(kTest1Process));
+  EXPECT_FALSE(filter.ShouldDisplayProcess(kTest2Process));
+}
+
+TEST_F(ArcProcessFilterTest, ProcessStateFiltering) {
+  ArcProcessFilter filter;
+  EXPECT_FALSE(filter.ShouldDisplayProcess(kTest1Process));
+  EXPECT_FALSE(filter.ShouldDisplayProcess(kTest2Process));
+  EXPECT_TRUE(filter.ShouldDisplayProcess(kTopProcess));
+}
+
+}  // namespace task_manager