Define WindowOrWorkerGlobalScope.crossOriginIsolated

Define the property behind a runtime enabled flag. Currently it always
return false. I'll modify the implementation later.

Bug: 1018680
Change-Id: I9971668254a6faa71c4ffb1a26e839d55760a10f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2245949Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#778633}

third_party/blink/renderer/core/execution_context/execution_context.cc

@@ -152,6 +152,11 @@ unsigned ExecutionContext::ContextLifecycleStateObserverCountForTesting()
   return lifecycle_state_observers;
 }
 
+bool ExecutionContext::IsCrossOriginIsolated() const {
+  // TODO(yhirano): Implement this.
+  return false;
+}
+
 void ExecutionContext::AddConsoleMessageImpl(mojom::ConsoleMessageSource source,
                                              mojom::ConsoleMessageLevel level,
                                              const String& message,

third_party/blink/renderer/core/execution_context/execution_context.h

@@ -339,6 +339,9 @@ class CORE_EXPORT ExecutionContext : public Supplementable<ExecutionContext>,
   }
   unsigned ContextLifecycleStateObserverCountForTesting() const;
 
+  // Implementation of WindowOrWorkerGlobalScope.crossOriginIsolated.
+  bool IsCrossOriginIsolated() const;
+
  protected:
   explicit ExecutionContext(v8::Isolate* isolate);
   ~ExecutionContext() override;

third_party/blink/renderer/core/frame/window_or_worker_global_scope.cc

@@ -239,4 +239,9 @@ ScriptPromise WindowOrWorkerGlobalScope::createImageBitmap(
       script_state, bitmap_source, sx, sy, sw, sh, options, exception_state);
 }
 
+bool WindowOrWorkerGlobalScope::crossOriginIsolated(
+    const ExecutionContext& execution_context) {
+  return execution_context.IsCrossOriginIsolated();
+}
+
 }  // namespace blink

third_party/blink/renderer/core/frame/window_or_worker_global_scope.h

@@ -99,6 +99,8 @@ class CORE_EXPORT WindowOrWorkerGlobalScope {
                                          int sh,
                                          const ImageBitmapOptions*,
                                          ExceptionState&);
+
+  static bool crossOriginIsolated(const ExecutionContext&);
 };
 
 }  // namespace blink

third_party/blink/renderer/core/frame/window_or_worker_global_scope.idl

@@ -58,4 +58,7 @@ typedef (HTMLImageElement or
         ImageBitmapSource imageBitmap, optional ImageBitmapOptions options = {});
     [CallWith=ScriptState, RaisesException] Promise<ImageBitmap> createImageBitmap(
         ImageBitmapSource imageBitmap, long sx, long sy, long sw, long sh, optional ImageBitmapOptions options = {});
+
+    [RuntimeEnabled=CrossOriginIsolation]
+        readonly attribute boolean crossOriginIsolated;
 };

third_party/blink/renderer/platform/runtime_enabled_features.json5

@@ -372,6 +372,10 @@
     {
       name: "CorsRFC1918",
     },
+    {
+      name: "CrossOriginIsolation",
+      status: "experimental",
+    },
     {
       name: "CSS3Text",
       status: "experimental",

third_party/blink/web_tests/external/wpt/html/cross-origin-opener-policy/coep.https-expected.txt

@@ -7,6 +7,6 @@ PASS Same-origin popup with coop unsafe-none without coep
 PASS historical: "same-site" popup with coop unsafe-none without coep
 PASS Same-origin popup without coep
 PASS historical: "same-site" popup without coep
-FAIL Bonus: window.crossOriginIsolated assert_true: expected true got undefined
+FAIL Bonus: window.crossOriginIsolated assert_true: expected true got false
 Harness: the test ran to completion.
 

third_party/blink/web_tests/external/wpt/html/cross-origin-opener-policy/no-https-expected.txt

-This is a testharness.js-based test.
-PASS Cross-Origin-Opener-Policy only works over secure contexts
-FAIL Bonus: window.crossOriginIsolated assert_false: expected false got undefined
-Harness: the test ran to completion.
-

third_party/blink/web_tests/external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/nested-sharedworker-success.https-expected.txt

 This is a testharness.js-based test.
 FAIL postMessaging to a dedicated sub-worker allows them to see each others' modifications Worker is not defined
-FAIL Bonus: self.crossOriginIsolated assert_true: expected true got undefined
+FAIL Bonus: self.crossOriginIsolated assert_true: expected true got false
 Harness: the test ran to completion.
 

third_party/blink/web_tests/external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/nested-worker-success.https-expected.txt

 This is a testharness.js-based test.
 PASS postMessaging to a dedicated sub-worker allows them to see each others' modifications
-FAIL Bonus: self.crossOriginIsolated assert_true: expected true got undefined
+FAIL Bonus: self.crossOriginIsolated assert_true: expected true got false
 Harness: the test ran to completion.
 

third_party/blink/web_tests/external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-coop-coep.https.any-expected.txt

@@ -3,6 +3,6 @@ FAIL SharedArrayBuffer constructor does not exist without COOP+COEP assert_equal
 FAIL SharedArrayBuffer over MessageChannel without COOP+COEP assert_throws_dom: function "() => channel.port1.postMessage(sab)" did not throw
 FAIL SharedArrayBuffer over BroadcastChannel without COOP+COEP assert_throws_dom: function "() => channel.postMessage(sab)" did not throw
 FAIL SharedArrayBuffer over postMessage() without COOP+COEP assert_throws_dom: function "() => self.postMessage(sab)" did not throw
-FAIL Bonus: self.crossOriginIsolated assert_false: expected false got undefined
+PASS Bonus: self.crossOriginIsolated
 Harness: the test ran to completion.
 

third_party/blink/web_tests/external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-coop-coep.https.any.serviceworker-expected.txt

@@ -2,6 +2,6 @@ This is a testharness.js-based test.
 FAIL SharedArrayBuffer constructor does not exist without COOP+COEP assert_equals: expected (undefined) undefined but got (function) function "function SharedArrayBuffer() { [native code] }"
 FAIL SharedArrayBuffer over MessageChannel without COOP+COEP assert_throws_dom: function "() => channel.port1.postMessage(sab)" did not throw
 FAIL SharedArrayBuffer over BroadcastChannel without COOP+COEP assert_throws_dom: function "() => channel.postMessage(sab)" did not throw
-FAIL Bonus: self.crossOriginIsolated assert_false: expected false got undefined
+PASS Bonus: self.crossOriginIsolated
 Harness: the test ran to completion.
 

third_party/blink/web_tests/external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-coop-coep.https.any.sharedworker-expected.txt

@@ -2,6 +2,6 @@ This is a testharness.js-based test.
 FAIL SharedArrayBuffer constructor does not exist without COOP+COEP assert_equals: expected (undefined) undefined but got (function) function "function SharedArrayBuffer() { [native code] }"
 FAIL SharedArrayBuffer over MessageChannel without COOP+COEP assert_throws_dom: function "() => channel.port1.postMessage(sab)" did not throw
 FAIL SharedArrayBuffer over BroadcastChannel without COOP+COEP assert_throws_dom: function "() => channel.postMessage(sab)" did not throw
-FAIL Bonus: self.crossOriginIsolated assert_false: expected false got undefined
+PASS Bonus: self.crossOriginIsolated
 Harness: the test ran to completion.
 

third_party/blink/web_tests/external/wpt/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-coop-coep.https.any.worker-expected.txt

@@ -2,6 +2,6 @@ This is a testharness.js-based test.
 FAIL SharedArrayBuffer constructor does not exist without COOP+COEP assert_equals: expected (undefined) undefined but got (function) function "function SharedArrayBuffer() { [native code] }"
 FAIL SharedArrayBuffer over MessageChannel without COOP+COEP assert_throws_dom: function "() => channel.port1.postMessage(sab)" did not throw
 FAIL SharedArrayBuffer over BroadcastChannel without COOP+COEP assert_throws_dom: function "() => channel.postMessage(sab)" did not throw
-FAIL Bonus: self.crossOriginIsolated assert_false: expected false got undefined
+PASS Bonus: self.crossOriginIsolated
 Harness: the test ran to completion.
 

third_party/blink/web_tests/fast/dom/Window/property-access-on-cached-window-after-frame-navigated-expected.txt

@@ -5,6 +5,7 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
 
 PASS oldChildWindow.closed is newChildWindow.closed
 PASS oldChildWindow.cookieStore.onchange is newChildWindow.cookieStore.onchange
+PASS oldChildWindow.crossOriginIsolated is newChildWindow.crossOriginIsolated
 PASS oldChildWindow.defaultStatus is newChildWindow.defaultStatus
 PASS oldChildWindow.defaultstatus is newChildWindow.defaultstatus
 PASS oldChildWindow.devicePixelRatio is newChildWindow.devicePixelRatio

third_party/blink/web_tests/fast/dom/Window/property-access-on-cached-window-after-frame-removed-and-gced-expected.txt

@@ -4,6 +4,7 @@ Tests property access on a cached DOMWindow after the associated frame is remove
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 PASS childWindow.closed is true
+PASS childWindow.crossOriginIsolated is false
 PASS childWindow.defaultStatus is ''
 PASS childWindow.defaultstatus is ''
 PASS childWindow.devicePixelRatio is 0

third_party/blink/web_tests/fast/dom/Window/property-access-on-cached-window-after-frame-removed-expected.txt

@@ -4,6 +4,7 @@ Tests property access on a cached DOMWindow after the associated frame is no lon
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 PASS childWindow.closed is true
+PASS childWindow.crossOriginIsolated is false
 PASS childWindow.defaultStatus is ''
 PASS childWindow.defaultstatus is ''
 PASS childWindow.devicePixelRatio is 0

third_party/blink/web_tests/http/tests/serviceworker/webexposed/global-interface-listing-service-worker-expected.txt

@@ -3740,6 +3740,7 @@ interface WorkerGlobalScope : EventTarget
     attribute @@toStringTag
     getter addressSpace
     getter caches
+    getter crossOriginIsolated
     getter crypto
     getter fonts
     getter indexedDB

third_party/blink/web_tests/webexposed/global-interface-listing-dedicated-worker-expected.txt

@@ -3794,6 +3794,7 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     attribute @@toStringTag
 [Worker]     getter addressSpace
 [Worker]     getter caches
+[Worker]     getter crossOriginIsolated
 [Worker]     getter crypto
 [Worker]     getter fonts
 [Worker]     getter indexedDB

third_party/blink/web_tests/webexposed/global-interface-listing-expected.txt

@@ -11709,6 +11709,7 @@ interface webkitURL
     getter caches
     getter clientInformation
     getter cookieStore
+    getter crossOriginIsolated
     getter crypto
     getter customElements
     getter defaultStatus

third_party/blink/web_tests/webexposed/global-interface-listing-shared-worker-expected.txt

@@ -3612,6 +3612,7 @@ Starting worker: resources/global-interface-listing-worker.js
 [Worker]     attribute @@toStringTag
 [Worker]     getter addressSpace
 [Worker]     getter caches
+[Worker]     getter crossOriginIsolated
 [Worker]     getter crypto
 [Worker]     getter fonts
 [Worker]     getter indexedDB