Browser side support (sans UI) for desktop notifications....

chrome/browser/renderer_host/render_view_host.cc

Index: chrome/browser/renderer_host/render_view_host.cc
===================================================================
--- chrome/browser/renderer_host/render_view_host.cc	(revision 28695)
+++ chrome/browser/renderer_host/render_view_host.cc	(working copy)
@@ -20,6 +20,7 @@
 #include "chrome/browser/dom_operation_notification_details.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/metrics/user_metrics.h"
+#include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
@@ -833,6 +834,12 @@
                         OnQueryFormFieldAutofill)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RemoveAutofillEntry,
                         OnRemoveAutofillEntry)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_ShowDesktopNotification,
+                        OnShowDesktopNotification)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_ShowDesktopNotificationText,
+                        OnShowDesktopNotificationText)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_RequestNotificationPermission,
+                        OnRequestNotificationPermission)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ExtensionRequest, OnExtensionRequest)
     IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionChanged, OnMsgSelectionChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_ExtensionPostMessage,
@@ -1644,6 +1651,32 @@
                                                  target));
 }
 
+void RenderViewHost::OnShowDesktopNotification(const GURL& source_origin,
+    const GURL& url, int notification_id) {
+  DesktopNotificationService* service =
+      process()->profile()->GetDesktopNotificationService();
+  service->ShowDesktopNotification(source_origin, url, process()->id(),
+      routing_id(), DesktopNotificationService::PageNotification,
+      notification_id);
+}
+
+void RenderViewHost::OnShowDesktopNotificationText(const GURL& source_origin,
+    const GURL& icon, const string16& title, const string16& text,
+    int notification_id) {
+  DesktopNotificationService* service =
+      process()->profile()->GetDesktopNotificationService();
+  service->ShowDesktopNotificationText(source_origin, icon, title, text,
+      process()->id(), routing_id(),
+      DesktopNotificationService::PageNotification, notification_id);
+}
+
+void RenderViewHost::OnRequestNotificationPermission(
+    const GURL& source_origin, int callback_context) {
+  DesktopNotificationService* service =
+      process()->profile()->GetDesktopNotificationService();
+  service->RequestPermission(source_origin, callback_context);
+}
+
 void RenderViewHost::OnExtensionRequest(const std::string& name,
                                         const ListValue& args_holder,
                                         int request_id,