Use v8::Context::NewRemoteContext in RemoteWindowProxy.

third_party/WebKit/Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 42 matching lines @@
 #include "core/editing/EphemeralRange.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/editing/spellcheck/IdleSpellCheckCallback.h"
 #include "core/editing/spellcheck/SpellChecker.h"
 #include "core/events/MouseEvent.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
+#include "core/frame/RemoteDOMWindow.h"

[dcheng, 2017/03/23 01:47:09]

Needed, because a few things in here now are dereferencing a RemoteDOMWindow.

 #include "core/frame/RemoteFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/VisualViewport.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/ImageDocument.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestResult.h"
@@ skipping 8870 matching lines @@
   lastChild(mainFrame())->swap(remoteFrame);
   remoteFrame->setReplicatedOrigin(SecurityOrigin::createUnique());
   v8::Local<v8::Value> remoteWindowProperty =
       mainFrame()->executeScriptAndReturnValue(
           WebScriptSource("window[2].foo"));
   EXPECT_TRUE(remoteWindowProperty.IsEmpty());
 
   reset();
 }
 
+TEST_F(WebFrameSwapTest, RemoteWindowToString) {
+  v8::HandleScope scope(v8::Isolate::GetCurrent());
+
+  FrameTestHelpers::TestWebRemoteFrameClient remoteClient;
+  WebRemoteFrame* remoteFrame = remoteClient.frame();
+  lastChild(mainFrame())->swap(remoteFrame);
+  remoteFrame->setReplicatedOrigin(SecurityOrigin::createUnique());
+  v8::Local<v8::Value> exception = mainFrame()->executeScriptAndReturnValue(
+      WebScriptSource("try { '' + window[2]; } catch (e) { e; }"));
+  ASSERT_FALSE(exception.IsEmpty());
+  EXPECT_STREQ(
+      "SecurityError: Blocked a frame with origin \"http://internal.test\" "
+      "from accessing a cross-origin frame.",
+      *v8::String::Utf8Value(exception));
+
+  reset();
+}
+
 // TODO(alexmos, dcheng): This test and some other OOPIF tests use
 // very little of the test fixture support in WebFrameSwapTest.  We should
 // clean these tests up.
 TEST_F(WebFrameSwapTest, FramesOfRemoteParentAreIndexable) {
   v8::HandleScope scope(v8::Isolate::GetCurrent());
 
   FrameTestHelpers::TestWebRemoteFrameClient remoteClient;
   WebRemoteFrame* remoteParentFrame = remoteClient.frame();
   mainFrame()->swap(remoteParentFrame);
   remoteParentFrame->setReplicatedOrigin(SecurityOrigin::createUnique());
@@ skipping 2466 matching lines @@
   EXPECT_FALSE(testSelectAll("<textarea></textarea>"));
   EXPECT_TRUE(testSelectAll("<textarea>nonempty</textarea>"));
   EXPECT_FALSE(testSelectAll("<input>"));
   EXPECT_TRUE(testSelectAll("<input value='nonempty'>"));
   // TODO(amaralp): Empty contenteditable should not have select all enabled.
   EXPECT_TRUE(testSelectAll("<div contenteditable></div>"));
   EXPECT_TRUE(testSelectAll("<div contenteditable>nonempty</div>"));
 }
 
 }  // namespace blink