Disable Screen Orientation API locking ability for WebView.

content/browser/screen_orientation/screen_orientation_browsertest.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 <stdlib.h>
 
 #include "base/command_line.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/render_widget_host.h"
@@ skipping 225 matching lines @@
     return;
   }
 #endif // defined(OS_WIN)
 
   navigation_observer.Wait();
 
   // This is a success if the renderer process did not crash, thus, we end up
   // here.
 }
 
+#if defined(OS_ANDROID)
+class ScreenOrientationLockDisabledBrowserTest : public ContentBrowserTest  {
+ public:
+  ScreenOrientationLockDisabledBrowserTest() {}
+  ~ScreenOrientationLockDisabledBrowserTest() override {}
+
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    command_line->AppendSwitch(switches::kDisableScreenOrientationLock);
+  }
+};
+
+// Check that when --disable-screen-orientation-lock is passed to the command
+// line, screen.orientation.lock() correctly reports to not be supported.
+IN_PROC_BROWSER_TEST_F(ScreenOrientationLockDisabledBrowserTest, NotSupported) {
+  GURL test_url = GetTestUrl("screen_orientation",
+                             "screen_orientation_lock_disabled.html");
+
+  TestNavigationObserver navigation_observer(shell()->web_contents(), 2);
+  shell()->LoadURL(test_url);
+  navigation_observer.Wait();
+
+  EXPECT_EQ("NotSupportedError",
+            shell()->web_contents()->GetLastCommittedURL().ref());
+}
+#endif // defined(OS_ANDROID)
+
 } // namespace content