Add an location bar icon and a content settings bubble for media settings.

chrome/browser/ui/content_settings/content_setting_image_model.cc

Index: chrome/browser/ui/content_settings/content_setting_image_model.cc
diff --git a/chrome/browser/ui/content_settings/content_setting_image_model.cc b/chrome/browser/ui/content_settings/content_setting_image_model.cc
index 3cf2bf98178df9a4aee9153c138d5b56d3517e12..5cff2e4a8ef3682069781a77faff477a86015681 100644
--- a/chrome/browser/ui/content_settings/content_setting_image_model.cc
+++ b/chrome/browser/ui/content_settings/content_setting_image_model.cc
@@ -30,6 +30,14 @@ class ContentSettingGeolocationImageModel : public ContentSettingImageModel {
   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
 };
 
+// Image model for displaying media icons in the location bar.
+class ContentSettingMediaImageModel : public ContentSettingImageModel {
+ public:
+  ContentSettingMediaImageModel();
+
+  virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
+};
+
 class ContentSettingRPHImageModel : public ContentSettingImageModel {
  public:
   ContentSettingRPHImageModel();
@@ -166,6 +174,34 @@ void ContentSettingGeolocationImageModel::UpdateFromWebContents(
       IDS_GEOLOCATION_ALLOWED_TOOLTIP : IDS_GEOLOCATION_BLOCKED_TOOLTIP));
 }
 
+ContentSettingMediaImageModel::ContentSettingMediaImageModel()
+    : ContentSettingImageModel(CONTENT_SETTINGS_TYPE_MEDIASTREAM) {
+}
+
+void ContentSettingMediaImageModel::UpdateFromWebContents(
+    WebContents* web_contents) {
+  set_visible(false);
+  if (!web_contents)
+    return;
+
+  TabSpecificContentSettings* content_settings =
+      TabSpecificContentSettings::FromWebContents(web_contents);
+  if (!content_settings)
+    return;
+
+  bool blocked =
+      content_settings->IsContentBlocked(CONTENT_SETTINGS_TYPE_MEDIASTREAM);
+  if (!blocked &&
+      !content_settings->IsContentAccessed(get_content_settings_type()))
+    return;
+
+  set_tooltip(
+      l10n_util::GetStringUTF8(blocked ? IDS_MEDIASTREAM_BLOCKED_TOOLTIP
+                                       : IDS_MEDIASTREAM_ALLOWED_TOOLTIP));

[Peter Kasting, 2013/01/27 22:36:16]

Nit: Google style guide says wrap after operators, not before.  Here's one way:

  set_tooltip(l10n_util::GetStringUTF8(blocked ?
      IDS_MEDIASTREAM_BLOCKED_TOOLTIP : IDS_MEDIASTREAM_ALLOWED_TOOLTIP));

[markusheintz_, 2013/01/28 10:06:47]

Done.

+  set_icon(blocked ? IDR_BLOCKED_MEDIA : IDR_ASK_MEDIA);
+  set_visible(true);
+}
+
 ContentSettingRPHImageModel::ContentSettingRPHImageModel()
     : ContentSettingImageModel(
         CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS) {
@@ -218,6 +254,8 @@ ContentSettingImageModel*
       return new ContentSettingNotificationsImageModel();
     case CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS:
       return new ContentSettingRPHImageModel();
+    case CONTENT_SETTINGS_TYPE_MEDIASTREAM:
+      return new ContentSettingMediaImageModel();
     default:
       return new ContentSettingBlockedImageModel(content_settings_type);
   }