Fix automation API bounding boxes on high-dpi devices

chrome/browser/extensions/api/automation/automation_apitest.cc

 // Copyright 2014 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 "base/files/file_path.h"
 #include "base/location.h"
 #include "base/path_service.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 13 matching lines @@
 #include "content/public/browser/web_contents.h"
 #include "extensions/test/extension_test_message_listener.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/accessibility/ax_node.h"
 #include "ui/accessibility/ax_serializable_tree.h"
 #include "ui/accessibility/ax_tree.h"
 #include "ui/accessibility/ax_tree_serializer.h"
 #include "ui/accessibility/tree_generator.h"
+#include "ui/display/display_switches.h"
 
 #if defined(OS_CHROMEOS)
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/shell.h"
 #include "chrome/browser/ui/aura/accessibility/automation_manager_aura.h"
 #endif
 
 namespace extensions {
 
 namespace {
@@ skipping 246 matching lines @@
       RunExtensionSubtest("automation/tests/tabs", "document_selection.html"))
       << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(AutomationApiTest, HitTest) {
   StartEmbeddedTestServer();
   ASSERT_TRUE(RunExtensionSubtest("automation/tests/tabs", "hit_test.html"))
       << message_;
 }
 
+#if defined(OS_CHROMEOS)
+
+class AutomationApiTestWithDeviceScaleFactor : public AutomationApiTest {
+ protected:
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    AutomationApiTest::SetUpCommandLine(command_line);
+    command_line->AppendSwitchASCII(switches::kForceDeviceScaleFactor, "2.0");
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(AutomationApiTestWithDeviceScaleFactor, LocationScaled) {
+  StartEmbeddedTestServer();
+  ASSERT_TRUE(RunPlatformAppTest("automation/tests/location_scaled"))
+      << message_;
+}
+
+#endif  // defined(OS_CHROMEOS)
+
 }  // namespace extensions