Refactor extension event distribution to use Values instead of JSON strings.

chrome/browser/extensions/api/omnibox/omnibox_api.cc

Index: chrome/browser/extensions/api/omnibox/omnibox_api.cc
diff --git a/chrome/browser/extensions/api/omnibox/omnibox_api.cc b/chrome/browser/extensions/api/omnibox/omnibox_api.cc
index 81aaabb9592bd9a4a9963168745e6e8ad796b953..3a332019aea01e7fb3fbebd8a840fa07ba570270 100644
--- a/chrome/browser/extensions/api/omnibox/omnibox_api.cc
+++ b/chrome/browser/extensions/api/omnibox/omnibox_api.cc
@@ -52,7 +52,7 @@ const char kDescriptionStylesLength[] = "length";
 void ExtensionOmniboxEventRouter::OnInputStarted(
     Profile* profile, const std::string& extension_id) {
   profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputStarted, "[]", profile, GURL());
+      extension_id, events::kOnInputStarted, NULL, profile, GURL());
 }
 
 // static
@@ -63,14 +63,12 @@ bool ExtensionOmniboxEventRouter::OnInputChanged(
         extension_id, events::kOnInputChanged))
     return false;
 
-  ListValue args;
-  args.Set(0, Value::CreateStringValue(input));
-  args.Set(1, Value::CreateIntegerValue(suggest_id));
-  std::string json_args;
-  base::JSONWriter::Write(&args, &json_args);
+  ListValue* args = new ListValue();
+  args->Set(0, Value::CreateStringValue(input));
+  args->Set(1, Value::CreateIntegerValue(suggest_id));
 
   profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputChanged, json_args, profile, GURL());
+      extension_id, events::kOnInputChanged, args, profile, GURL());
   return true;
 }
 
@@ -79,10 +77,8 @@ void ExtensionOmniboxEventRouter::OnInputEntered(
     TabContents* tab_contents,
     const std::string& extension_id,
     const std::string& input) {
-  ListValue args;
-  args.Set(0, Value::CreateStringValue(input));
-  std::string json_args;
-  base::JSONWriter::Write(&args, &json_args);
+  ListValue* args = new ListValue();
+  args->Set(0, Value::CreateStringValue(input));
 
   tab_contents->extension_tab_helper()->active_tab_permission_manager()->
       GrantIfRequested(extension_id);
@@ -90,7 +86,7 @@ void ExtensionOmniboxEventRouter::OnInputEntered(
   Profile* profile = tab_contents->profile();
 
   profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputEntered, json_args, profile, GURL());
+      extension_id, events::kOnInputEntered, args, profile, GURL());
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_OMNIBOX_INPUT_ENTERED,
@@ -102,7 +98,7 @@ void ExtensionOmniboxEventRouter::OnInputEntered(
 void ExtensionOmniboxEventRouter::OnInputCancelled(
     Profile* profile, const std::string& extension_id) {
   profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputCancelled, "[]", profile, GURL());
+      extension_id, events::kOnInputCancelled, NULL, profile, GURL());
 }
 
 bool OmniboxSendSuggestionsFunction::RunImpl() {