Renderer can now use process.send to send messages to browser.

browser/api/atom_browser_bindings.cc

@@ -5,6 +5,7 @@
 #include "browser/api/atom_browser_bindings.h"
 
 #include "base/logging.h"
+#include "base/values.h"
 #include "content/public/browser/browser_thread.h"
 #include "vendor/node/src/node.h"
 #include "vendor/node/src/node_internals.h"
@@ -35,4 +36,10 @@ void AtomBrowserBindings::AfterLoad() {
   DCHECK(!browser_main_parts_.IsEmpty());
 }
 
+void AtomBrowserBindings::OnRendererMessage(
+    int routing_id, const base::ListValue& args) {
+  LOG(ERROR) << "OnRendererMessage routing_id:" << routing_id
+             << " args:" << args;
+}
+
 }  // namespace atom

browser/api/atom_browser_bindings.h

@@ -7,6 +7,10 @@
 
 #include "common/api/atom_bindings.h"
 
+namespace base {
+class ListValue;
+}
+
 namespace atom {
 
 class AtomBrowserBindings : public AtomBindings {
@@ -17,6 +21,9 @@ class AtomBrowserBindings : public AtomBindings {
   // Called when the node.js main script has been loaded.
   virtual void AfterLoad();
 
+  // Called when received a message from renderer.
+  void OnRendererMessage(int routing_id, const base::ListValue& args);
+
   // The require('atom').browserMainParts object.
   v8::Handle<v8::Object> browser_main_parts() {
     return browser_main_parts_;