Update extension events, routing, and delivery to use user gesture.

chrome/renderer/extensions/extension_helper.cc

Index: chrome/renderer/extensions/extension_helper.cc
diff --git a/chrome/renderer/extensions/extension_helper.cc b/chrome/renderer/extensions/extension_helper.cc
index 22f93bbf70d00e040a5157a8c1e99753b64f8de3..cde6bbf98da96b1fb53dd0a5410de1a20e69d279 100644
--- a/chrome/renderer/extensions/extension_helper.cc
+++ b/chrome/renderer/extensions/extension_helper.cc
@@ -29,6 +29,7 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLRequest.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebUserGestureIndicator.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
 #include "webkit/glue/image_resource_fetcher.h"
 #include "webkit/glue/resource_fetcher.h"
@@ -39,6 +40,7 @@ using WebKit::WebConsoleMessage;
 using WebKit::WebDataSource;
 using WebKit::WebFrame;
 using WebKit::WebURLRequest;
+using WebKit::WebUserGestureIndicator;
 using WebKit::WebView;
 using webkit_glue::ImageResourceFetcher;
 using webkit_glue::ResourceFetcher;
@@ -216,7 +218,13 @@ void ExtensionHelper::OnExtensionResponse(int request_id,
 void ExtensionHelper::OnExtensionMessageInvoke(const std::string& extension_id,
                                                const std::string& function_name,
                                                const ListValue& args,
-                                               const GURL& event_url) {
+                                               const GURL& event_url,
+                                               bool user_caused) {
+  scoped_ptr<WebUserGestureIndicator> user_gesture;
+  if (user_caused) {
+    user_gesture.reset(
+        WebUserGestureIndicator::DefinitelyProcessingUserGesture());
+  }
   extension_dispatcher_->v8_context_set().DispatchChromeHiddenMethod(
       extension_id, function_name, args, render_view(), event_url);
 }