Web MIDI: Implement icon image and bubble

chrome/browser/content_settings/tab_specific_content_settings.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 "chrome/browser/content_settings/tab_specific_content_settings.h"
 
 #include <list>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 484 matching lines @@
   OnContentAllowed(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA);
 }
 
 void TabSpecificContentSettings::OnCameraAccessBlocked() {
   OnContentBlocked(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA, std::string());
 }
 
 void TabSpecificContentSettings::OnMIDISysExAccessed(
     const GURL& requesting_origin) {
   midi_usages_state_.OnPermissionSet(requesting_origin, true);
-  // TODO(toyoshim): Bubble icon for MIDI is disabled for now.
-  // http://crbug.com/257618
-  // OnContentAllowed(CONTENT_SETTINGS_TYPE_MIDI_SYSEX);
+  OnContentAllowed(CONTENT_SETTINGS_TYPE_MIDI_SYSEX);
 }
 
 void TabSpecificContentSettings::OnMIDISysExAccessBlocked(
     const GURL& requesting_origin) {
   midi_usages_state_.OnPermissionSet(requesting_origin, false);
-  // TODO(toyoshim): Bubble icon for MIDI is disabled for now.
-  // http://crbug.com/257618
-  // OnContentBlocked(CONTENT_SETTINGS_TYPE_MIDI_SYSEX, std::string());
+  OnContentBlocked(CONTENT_SETTINGS_TYPE_MIDI_SYSEX, std::string());
 }
 
 void TabSpecificContentSettings::ClearBlockedContentSettingsExceptForCookies() {
   for (size_t i = 0; i < arraysize(content_blocked_); ++i) {
     if (i == CONTENT_SETTINGS_TYPE_COOKIES)
       continue;
     blocked_resources_[i].reset();
     content_blocked_[i] = false;
     content_allowed_[i] = false;
     content_blockage_indicated_to_user_[i] = false;
@@ skipping 153 matching lines @@
 }
 
 void TabSpecificContentSettings::RemoveSiteDataObserver(
     SiteDataObserver* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 void TabSpecificContentSettings::NotifySiteDataObservers() {
   FOR_EACH_OBSERVER(SiteDataObserver, observer_list_, OnSiteDataAccessed());
 }