Plugin Power Saver: Throttled Plugins should block TCPSocket reads.

content/browser/ppapi_plugin_process_host.cc

Index: content/browser/ppapi_plugin_process_host.cc
diff --git a/content/browser/ppapi_plugin_process_host.cc b/content/browser/ppapi_plugin_process_host.cc
index 608d6c9fd0378cdcd9e09619977f8d922fd8bf57..480296fd03134ab1800ebb5ec6cac3f8640dd3e4 100644
--- a/content/browser/ppapi_plugin_process_host.cc
+++ b/content/browser/ppapi_plugin_process_host.cc
@@ -199,6 +199,24 @@ void PpapiPluginProcessHost::DidDeleteOutOfProcessInstance(
 }
 
 // static
+void PpapiPluginProcessHost::OnPluginInstanceThrottleStateChange(
+    int plugin_process_id,
+    int32 pp_instance,
+    bool is_throttled) {
+  for (PpapiPluginProcessHostIterator iter; !iter.Done(); ++iter) {
+    if (iter->process_.get() &&
+        iter->process_->GetData().id == plugin_process_id) {
+      // Found the plugin.
+      iter->host_impl_->OnThrottleStateChanged(pp_instance, is_throttled);
+      return;
+    }
+  }
+  // Note: It's possible that the plugin process has already been deleted by
+  // the time this message is received. For example, it could have crashed.
+  // That's OK, we can just ignore this message.
+}
+
+// static
 void PpapiPluginProcessHost::FindByName(
     const base::string16& name,
     std::vector<PpapiPluginProcessHost*>* hosts) {