Removed duplicated JS hasVideoInputDeviceOnSystem() test helper

content/public/test/browser_test_utils.cc

 // Copyright (c) 2012 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 "content/public/test/browser_test_utils.h"
 
 #include <stddef.h>
 #include <tuple>
 #include <utility>
 
@@ skipping 724 matching lines @@
   if (command) {
     modifiers &= ~blink::WebInputEvent::MetaKey;
     InjectRawKeyEvent(web_contents, blink::WebInputEvent::KeyUp,
                       ui::DomKey::META, ui::DomCode::META_LEFT,
                       ui::VKEY_COMMAND, modifiers);
   }
 
   ASSERT_EQ(modifiers, 0);
 }
 
+bool HasWebcamAvailableOnSystem(WebContents* tab_contents) {
+  std::string result;
+  EXPECT_TRUE(content::ExecuteScriptAndExtractString(
+      tab_contents, hasVideoInputDeviceOnSystem, &result));
+  return result == "has-video-input-device";
+}
+
 RenderFrameHost* ConvertToRenderFrameHost(WebContents* web_contents) {
   return web_contents->GetMainFrame();
 }
 
 RenderFrameHost* ConvertToRenderFrameHost(RenderViewHost* render_view_host) {
   return render_view_host->GetMainFrame();
 }
 
 RenderFrameHost* ConvertToRenderFrameHost(RenderFrameHost* render_frame_host) {
   return render_frame_host;
@@ skipping 934 matching lines @@
 
 bool TestNavigationManager::ShouldMonitorNavigation(NavigationHandle* handle) {
   if (handle_ || handle->GetURL() != url_)
     return false;
   if (handled_navigation_)
     return false;
   return true;
 }
 
 }  // namespace content