Run SharedArrayBuffer WPT tests in virtual/sharedarraybuffer testsuite

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

Index: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
index 249ac584b9ee231221f07daa6537ff2e10b2421c..e6753c7bc1ad9a2b285272b5ecf8e1f91d21cd91 100644
--- a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp
@@ -30,6 +30,7 @@
 
 #include "bindings/core/v8/SerializedScriptValue.h"
 
+#include <algorithm>
 #include <memory>
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/IDLTypes.h"
@@ -443,6 +444,21 @@ bool SerializedScriptValue::ExtractTransferables(
   return true;
 }
 
+ArrayBufferArray SerializedScriptValue::ExtractNonSharedArrayBuffers(
+    Transferables& transferables) {
+  ArrayBufferArray& array_buffers = transferables.array_buffers;
+  ArrayBufferArray result;
+  auto non_shared_begin =
+      std::partition(array_buffers.begin(), array_buffers.end(),
+                     [](Member<DOMArrayBufferBase>& array_buffer) {
+                       return array_buffer->IsShared();
+                     });
+  result.AppendRange(non_shared_begin, array_buffers.end());
+  array_buffers.erase(non_shared_begin - array_buffers.begin(),
+                      array_buffers.end() - non_shared_begin);

[haraken, 2017/05/05 00:52:52]

Do we have a test case where shared array buffers are not stored in a contiguous
range?

  [NonShrared, Shared, Shared, NonShared, NonShared, Shared, NonShared, ...]

[binji, 2017/05/05 18:53:39]

Nope, but I just added one.

+  return result;
+}
+
 std::unique_ptr<SerializedScriptValue::ArrayBufferContentsArray>
 SerializedScriptValue::TransferArrayBufferContents(
     v8::Isolate* isolate,