Remove ScopedVector from ContentBrowserClient.

extensions/shell/browser/shell_content_browser_client.cc

Index: extensions/shell/browser/shell_content_browser_client.cc
diff --git a/extensions/shell/browser/shell_content_browser_client.cc b/extensions/shell/browser/shell_content_browser_client.cc
index 39482a9d827f9847b51fec4794055774e85b357e..b55d93532e73b1d032aafb93252336e9097885b9 100644
--- a/extensions/shell/browser/shell_content_browser_client.cc
+++ b/extensions/shell/browser/shell_content_browser_client.cc
@@ -231,11 +231,12 @@ ShellContentBrowserClient::GetDevToolsManagerDelegate() {
   return new content::ShellDevToolsManagerDelegate(GetBrowserContext());
 }
 
-ScopedVector<content::NavigationThrottle>
+std::vector<std::unique_ptr<content::NavigationThrottle>>
 ShellContentBrowserClient::CreateThrottlesForNavigation(
     content::NavigationHandle* navigation_handle) {
-  ScopedVector<content::NavigationThrottle> throttles;
-  throttles.push_back(new ExtensionNavigationThrottle(navigation_handle));
+  std::vector<std::unique_ptr<content::NavigationThrottle>> throttles;
+  throttles.push_back(
+      base::MakeUnique<ExtensionNavigationThrottle>(navigation_handle));
   return throttles;
 }