Use v8::Context::NewRemoteContext in RemoteWindowProxy.

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

Index: third_party/WebKit/Source/web/tests/WebFrameTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
index dcaacbcf8c23311905e408621585bb18e1b8140e..47d4f94d5609b8a0f4c1c062b8d20713c4982983 100644
--- a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
@@ -60,6 +60,7 @@
 #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"
@@ -8950,6 +8951,24 @@ TEST_F(WebFrameSwapTest, RemoteWindowNamedAccess) {
   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.