Change manifest handler interface to always (implicitly) pass the entire manifest to handlers.

chrome/common/extensions/web_accessible_resources_handler.cc

Index: chrome/common/extensions/web_accessible_resources_handler.cc
diff --git a/chrome/common/extensions/web_accessible_resources_handler.cc b/chrome/common/extensions/web_accessible_resources_handler.cc
index 7b135d98f114c562c379ac1d75ee190d0c19787f..f6e171014a42510a46dca6e862b552aad4bf01cc 100644
--- a/chrome/common/extensions/web_accessible_resources_handler.cc
+++ b/chrome/common/extensions/web_accessible_resources_handler.cc
@@ -9,6 +9,7 @@
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
+#include "chrome/common/extensions/manifest.h"
 #include "extensions/common/error_utils.h"
 
 namespace extensions {
@@ -60,12 +61,12 @@ WebAccessibleResourcesHandler::WebAccessibleResourcesHandler() {
 WebAccessibleResourcesHandler::~WebAccessibleResourcesHandler() {
 }
 
-bool WebAccessibleResourcesHandler::Parse(const base::Value* value,
-                                          Extension* extension,
+bool WebAccessibleResourcesHandler::Parse(Extension* extension,
                                           string16* error) {
   scoped_ptr<WebAccessibleResourcesInfo> info(new WebAccessibleResourcesInfo);
   const ListValue* list_value = NULL;
-  if (!value->GetAsList(&list_value)) {
+  if (!extension->manifest()->GetList(keys::kWebAccessibleResources,
+                                      &list_value)) {
     *error = ASCIIToUTF16(errors::kInvalidWebAccessibleResourcesList);
     return false;
   }