Forward MIME types to BrowserPlugin when a viewer is specified.

chrome/browser/extensions/plugin_manager.h

Index: chrome/browser/extensions/plugin_manager.h
diff --git a/chrome/browser/extensions/plugin_manager.h b/chrome/browser/extensions/plugin_manager.h
index 9c8d046453053298c48f6e5d4022d952d7c46b57..59a73251873b9580c39d3c8c71c838d28f825c1e 100644
--- a/chrome/browser/extensions/plugin_manager.h
+++ b/chrome/browser/extensions/plugin_manager.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_PLUGIN_MANAGER_H_
 
+#include <set>

[not at google - send to devlin, 2014/04/30 00:48:51]

<string> while you're here too

[Zachary Kuznia, 2014/04/30 01:23:35]

Done.

+
 #include "base/scoped_observer.h"
 #include "chrome/common/extensions/manifest_handlers/nacl_modules_handler.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
@@ -41,6 +43,9 @@ class PluginManager : public BrowserContextKeyedAPI,
   void RegisterNaClModule(const NaClModuleInfo& info);
   void UnregisterNaClModule(const NaClModuleInfo& info);
 
+  void RegisterMimeTypeHandler(const std::string& extension_id);
+  void UnregisterMimeTypeHandler(const std::string& extension_id);
+
   // Call UpdatePluginListWithNaClModules() after registering or unregistering
   // a NaCl module to see those changes reflected in the PluginList.
   void UpdatePluginListWithNaClModules();
@@ -60,6 +65,7 @@ class PluginManager : public BrowserContextKeyedAPI,
   static const bool kServiceIsNULLWhileTesting = true;
 
   extensions::NaClModuleInfo::List nacl_module_list_;
+  std::set<std::string> mime_type_handler_;
 
   Profile* profile_;