Gracefully handle child process death in out-of-process plugin loading.

content/browser/plugin_service.cc

Index: content/browser/plugin_service.cc
diff --git a/content/browser/plugin_service.cc b/content/browser/plugin_service.cc
index 378ee2849f5d899ae5c09a7a296834b7d097330e..864ed98773be5d54812fd6e781d6fd583cddab17 100644
--- a/content/browser/plugin_service.cc
+++ b/content/browser/plugin_service.cc
@@ -508,8 +508,11 @@ void PluginService::GetPlugins(const GetPluginsCallback& callback) {
     target_loop->PostTask(FROM_HERE,
         base::Bind(&RunGetPluginsCallback, callback, cached_plugins));
   } else {
+    if (!plugin_loader_.get())
+      plugin_loader_ = new PluginLoaderPosix;
     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
-        base::Bind(&PluginLoaderPosix::LoadPlugins, target_loop, callback));
+        base::Bind(&PluginLoaderPosix::LoadPlugins, plugin_loader_,
+                   target_loop, callback));
   }
 #endif
 }