Filtered events.

Makes web_navigation events support filters, eg:

chrome.webNavigation.onBeforeCommitted.addListener(callback, {url: [{hostSuffix: 'google.com'}]});

Now callback will only be called when the event has a URL with a host suffix of google.com.

BUG=121479

Review URL: https://chromiumcodereview.appspot.com/10514013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@143872 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 0 deletions

diff --git a/chrome/renderer/extensions/extension_dispatcher.h b/chrome/renderer/extensions/extension_dispatcher.h
index ea2f9c1..4947f48 100644
--- a/chrome/renderer/extensions/extension_dispatcher.h
+++ b/chrome/renderer/extensions/extension_dispatcher.h
@@ -13,6 +13,7 @@
 #include "base/shared_memory.h"
 #include "base/timer.h"
 #include "content/public/renderer/render_process_observer.h"
+#include "chrome/common/extensions/event_filter.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "chrome/common/extensions/features/feature.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
@@ -28,6 +29,10 @@ class URLPattern;
 class UserScriptSlave;
 struct ExtensionMsg_Loaded_Params;
 
+namespace extensions {
+class FilteredEventRouter;
+}
+
 namespace WebKit {
 class WebFrame;
 }
@@ -258,6 +263,10 @@ class ExtensionDispatcher : public content::RenderProcessObserver {
   // TODO(aa): Remove when we can restrict non-permission APIs to dev-only.
   int chrome_channel_;
 
+  // Routes events to the appropriate listener taking into consideration event
+  // filters.
+  scoped_ptr<extensions::EventFilter> event_filter_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionDispatcher);
 };