Fix for menus blocking user activity detection (Retry 2).

ui/ozone/platform/test/ozone_platform_test.cc

 // Copyright 2013 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 "ui/ozone/platform/test/ozone_platform_test.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
 #include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
 #include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h"
 #include "ui/events/platform/platform_event_source.h"
 #include "ui/ozone/common/native_display_delegate_ozone.h"
 #include "ui/ozone/platform/test/test_window.h"
 #include "ui/ozone/platform/test/test_window_manager.h"
 #include "ui/ozone/public/cursor_factory_ozone.h"
 #include "ui/ozone/public/gpu_platform_support.h"
 #include "ui/ozone/public/gpu_platform_support_host.h"
 #include "ui/ozone/public/input_controller.h"
 #include "ui/ozone/public/ozone_platform.h"
 #include "ui/ozone/public/ozone_switches.h"
 #include "ui/ozone/public/system_input_injector.h"
 
 namespace ui {
 
 namespace {
 
+// A test implementation of PlatformEventSource that we can instantiate to make
+// sure that the PlatformEventSource has an instance while in unit tests.
+class TestPlatformEventSource : public ui::PlatformEventSource {
+ public:
+  TestPlatformEventSource() {}
+  ~TestPlatformEventSource() override {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestPlatformEventSource);
+};
+
 // OzonePlatform for testing
 //
 // This platform dumps images to a file for testing purposes.
 class OzonePlatformTest : public OzonePlatform {
  public:
   OzonePlatformTest(const base::FilePath& dump_file) : file_path_(dump_file) {}
   ~OzonePlatformTest() override {}
 
   // OzonePlatform:
   ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
@@ skipping 22 matching lines @@
   }
   scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
     return make_scoped_ptr(new NativeDisplayDelegateOzone());
   }
 
   void InitializeUI() override {
     window_manager_.reset(new TestWindowManager(file_path_));
     window_manager_->Initialize();
     // This unbreaks tests that create their own.
     if (!PlatformEventSource::GetInstance())
-      platform_event_source_ = PlatformEventSource::CreateDefault();
+      platform_event_source_.reset(new TestPlatformEventSource);
     KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
         make_scoped_ptr(new StubKeyboardLayoutEngine()));
 
     input_controller_ = CreateStubInputController();
     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
     gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
   }
 
   void InitializeGPU() override {
     gpu_platform_support_.reset(CreateStubGpuPlatformSupport());
@@ skipping 15 matching lines @@
 
 OzonePlatform* CreateOzonePlatformTest() {
   base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
   base::FilePath location;
   if (cmd->HasSwitch(switches::kOzoneDumpFile))
     location = cmd->GetSwitchValuePath(switches::kOzoneDumpFile);
   return new OzonePlatformTest(location);
 }
 
 }  // namespace ui