Plugin Power Saver: Throttled Plugins should block TCPSocket reads.

content/browser/ppapi_plugin_process_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/ppapi_plugin_process_host.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 181 matching lines @@
       iter->host_impl_->DeleteInstance(pp_instance);
       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::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) {
   for (PpapiPluginProcessHostIterator iter; !iter.Done(); ++iter) {
     if (iter->process_.get() && iter->process_->GetData().name == name)
       hosts->push_back(*iter);
   }
 }
 
 bool PpapiPluginProcessHost::Send(IPC::Message* message) {
@@ skipping 254 matching lines @@
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   const ChildProcessData& data = process_->GetData();
   client->OnPpapiChannelOpened(channel_handle, base::GetProcId(data.handle),
                                data.id);
 }
 
 }  // namespace content