Make Interaction Media Features MQ dynamic on Linux.

content/browser/renderer_host/input/interaction_mq_dynamic_browsertest.cc

 // 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 "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "ui/base/touch/touch_device.h"
 
 namespace content {
 
 namespace {
 
 class InteractionMediaQueriesDynamicTest : public ContentBrowserTest {
  public:
   InteractionMediaQueriesDynamicTest() = default;
   ~InteractionMediaQueriesDynamicTest() override = default;
 };
 
 }  //  namespace
 
-#if defined(OS_WIN)
+#if defined(OS_WIN) || defined(OS_LINUX)
 IN_PROC_BROWSER_TEST_F(InteractionMediaQueriesDynamicTest,
                        PointerMediaQueriesDynamic) {
   GURL test_url = GetTestUrl("", "interaction-mq-dynamic.html");
   const base::string16 kSuccessTitle(base::ASCIIToUTF16("SUCCESS"));
   TitleWatcher title_watcher(shell()->web_contents(), kSuccessTitle);
   NavigateToURL(shell(), test_url);
   RenderViewHost* rvh = shell()->web_contents()->GetRenderViewHost();
   ui::SetAvailablePointerAndHoverTypesForTesting(ui::POINTER_TYPE_COARSE,
                                                  ui::HOVER_TYPE_HOVER);
   rvh->OnWebkitPreferencesChanged();
   EXPECT_EQ(kSuccessTitle, title_watcher.WaitAndGetTitle());
 }
 #endif
 
 }  //  namespace content