Add the names of plugins to the blocked plugin bubble.

chrome/renderer/content_settings_observer.cc

Index: chrome/renderer/content_settings_observer.cc
diff --git a/chrome/renderer/content_settings_observer.cc b/chrome/renderer/content_settings_observer.cc
index 7c282fbd443324f6d202ca3eb19bded649931cdf..daf16a33df40f657d2eb3d2a76b4a216c0aa1359 100644
--- a/chrome/renderer/content_settings_observer.cc
+++ b/chrome/renderer/content_settings_observer.cc
@@ -200,9 +200,16 @@ bool ContentSettingsObserver::IsPluginTemporarilyAllowed(
 
 void ContentSettingsObserver::DidBlockContentType(
     ContentSettingsType settings_type) {
+  DidBlockContentType(settings_type, base::string16());
+}
+
+void ContentSettingsObserver::DidBlockContentType(
+    ContentSettingsType settings_type,
+    const base::string16& details) {
   if (!content_blocked_[settings_type]) {

[Bernhard Bauer, 2014/12/08 09:21:44]

This check means you are only going to send this message for the first plugin
that is blocked. That's probably not what you want?

[Will Harris, 2014/12/08 21:11:46]

send this IPC multiple times if details is not empty string. 
TabSpecificContentSettings already handles this case gracefully.

     content_blocked_[settings_type] = true;
-    Send(new ChromeViewHostMsg_ContentBlocked(routing_id(), settings_type));
+    Send(new ChromeViewHostMsg_ContentBlocked(routing_id(), settings_type,
+                                              details));
   }
 }