Automatically refresh the page when the flash permission prompt is allowed

Rather than showing the infobar, just refresh the page. The user would usually
arrive in this situation because they've clicked a link to obtain flash, so
refreshing the page shouldn't be problematic.

BUG=641615,652479

Review-Url: https://codereview.chromium.org/2390193002
Cr-Commit-Position: refs/heads/master@{#422945}

chrome/browser/plugins/flash_permission_context.cc

@@ -5,13 +5,13 @@
 #include "chrome/browser/plugins/flash_permission_context.h"
 
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
-#include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/permissions/permission_request_id.h"
 #include "chrome/browser/plugins/plugin_utils.h"
 #include "chrome/browser/plugins/plugins_field_trial.h"
-#include "chrome/browser/ui/website_settings/website_settings_infobar_delegate.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
+#include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/render_frame_host.h"
+#include "content/public/browser/web_contents.h"
 
 FlashPermissionContext::FlashPermissionContext(Profile* profile)
     : PermissionContextBase(profile,
@@ -38,14 +38,12 @@ void FlashPermissionContext::UpdateTabContext(const PermissionRequestID& id,
                                               bool allowed) {
   if (!allowed)
     return;
+  // Automatically refresh the page.
   content::WebContents* web_contents =
       content::WebContents::FromRenderFrameHost(
           content::RenderFrameHost::FromID(id.render_process_id(),
                                            id.render_frame_id()));
-  InfoBarService* infobar_service =
-      InfoBarService::FromWebContents(web_contents);
-  if (infobar_service)
-    WebsiteSettingsInfoBarDelegate::Create(infobar_service);
+  web_contents->GetController().Reload(true /* check_for_repost */);
 }
 
 bool FlashPermissionContext::IsRestrictedToSecureOrigins() const {