Move Service Worker %2f path validation logic from browser into Blink (1)

content/child/service_worker/web_service_worker_provider_impl.cc

Index: content/child/service_worker/web_service_worker_provider_impl.cc
diff --git a/content/child/service_worker/web_service_worker_provider_impl.cc b/content/child/service_worker/web_service_worker_provider_impl.cc
index 154dfe0281aae8a717387ef8bd2dd79bc7e73ee0..c50ceda114d90bf5d3feddea9beb1f1568cd4664 100644
--- a/content/child/service_worker/web_service_worker_provider_impl.cc
+++ b/content/child/service_worker/web_service_worker_provider_impl.cc
@@ -9,6 +9,7 @@
 #include "content/child/service_worker/service_worker_provider_context.h"
 #include "content/child/service_worker/web_service_worker_impl.h"
 #include "content/child/thread_safe_sender.h"
+#include "content/common/service_worker/service_worker_utils.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerProviderClient.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 
@@ -76,6 +77,19 @@ void WebServiceWorkerProviderImpl::getRegistrationForReady(
   GetDispatcher()->GetRegistrationForReady(context_->provider_id(), callbacks);
 }
 
+bool WebServiceWorkerProviderImpl::validateScopeAndScriptURL(
+    const blink::WebURL& scope,
+    const blink::WebURL& script_url,
+    blink::WebString* error_message) {
+  std::string error;
+  bool has_error = ServiceWorkerUtils::ContainsDisallowedCharacter(
+      scope, script_url, &error);
+  if (has_error)
+    *error_message =
+        blink::WebString::fromUTF8(kServiceWorkerRegisterErrorPrefix + error);

[falken, 2015/08/03 03:56:32]

There's some discussion on the Blink patch about this. I agree with nhiroki that
kServiceWorkerRegisterErrorPrefix probably shouldn't be here since this function
could conceivably be used outside of registration.

nit: I like braces for multiline body

+  return !has_error;
+}
+
 int WebServiceWorkerProviderImpl::provider_id() const {
   return context_->provider_id();
 }