[WIP Prototype] ES6 https://html.spec.whatwg.org/#fetch-a-single-module-script implementation

third_party/WebKit/Source/bindings/core/v8/WindowProxy.cpp

Index: third_party/WebKit/Source/bindings/core/v8/WindowProxy.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/WindowProxy.cpp b/third_party/WebKit/Source/bindings/core/v8/WindowProxy.cpp
index 69aae26cc7439d356c027922de5f987807095437..7e16d00fd4349095b0ecf936916eaaeac5ccee47 100644
--- a/third_party/WebKit/Source/bindings/core/v8/WindowProxy.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/WindowProxy.cpp
@@ -46,6 +46,7 @@
 #include "bindings/core/v8/V8PagePopupControllerBinding.h"
 #include "bindings/core/v8/V8PrivateProperty.h"
 #include "bindings/core/v8/V8Window.h"
+#include "core/dom/Modulator.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/DocumentNameCollection.h"
@@ -409,6 +410,17 @@ void WindowProxy::updateActivityLogger() {
               : KURL()));
 }
 
+void WindowProxy::updateModuleResolver() {
+  if (!m_frame->isLocalFrame())
+    return;
+  if (Document* document = toLocalFrame(m_frame)->document()) {
+    if (Modulator* modulator = document->ensureModulator()) {

[haraken, 2017/01/06 05:47:58]

I'm wondering if Modulator is a per-document thing or a per-context thing. If
it's a per-context thing, we should simply create the Modulator per
V8PerContextData.

[kouhei (in TOK), 2017/01/11 01:41:57]

Done.

+      m_scriptState->perContextData()->setModuleResolver(
+          modulator->scriptModuleResolver());
+    }
+  }
+}
+
 void WindowProxy::setSecurityToken(SecurityOrigin* origin) {
   // If two tokens are equal, then the SecurityOrigins canAccess each other.
   // If two tokens are not equal, then we have to call canAccess.
@@ -464,6 +476,7 @@ void WindowProxy::updateDocument() {
     return;
 
   updateActivityLogger();
+  updateModuleResolver();
   updateDocumentProperty();
   updateSecurityOrigin(m_frame->securityContext()->getSecurityOrigin());
 }