Add --enable-device-orientation switch and set ENABLE_DEVICE_ORIENTATION=1

chrome/browser/device_orientation/enable_switch_browsertest.cc

Index: chrome/browser/device_orientation/enable_switch_browsertest.cc
diff --git a/chrome/browser/device_orientation/enable_switch_browsertest.cc b/chrome/browser/device_orientation/enable_switch_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..debbdf548af0c2ee477105a7327f254c78647516
--- /dev/null
+++ b/chrome/browser/device_orientation/enable_switch_browsertest.cc
@@ -0,0 +1,34 @@
+// Copyright (c) 2010 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/command_line.h"
+#include "base/file_path.h"
+#include "chrome/browser/browser.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/test/in_process_browser_test.h"
+#include "chrome/test/ui_test_utils.h"
+
+class DeviceOrientationEnableSwitchTest : public InProcessBrowserTest {
+ public:
+  GURL testUrl(const char* filename) {
+    const FilePath kTestDir("device_orientation");
+    return ui_test_utils::GetTestUrl(kTestDir, FilePath(filename));
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(DeviceOrientationEnableSwitchTest, UnavailabilityTest) {
+  // Test that device orientation is not available to a web page if
+  // the runtime switch is disabled.
+
+  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+  bool has_switch = command_line.HasSwitch(switches::kEnableDeviceOrientation);
+  ASSERT_FALSE(has_switch) << "This test does not make sense if "
+                           << "--enable-device-orientation is set.";
+
+  GURL test_url = testUrl("enable_switch_test.html");
+  ui_test_utils::NavigateToURL(browser(), test_url);
+  std::string status = browser()->GetSelectedTabContents()->GetURL().ref();
+  EXPECT_EQ("pass", status) << "Page detected device orientation properties.";
+}