Allows adding trusted certs on iOS.

runtime/bin/secure_socket_macos.cc

Index: runtime/bin/secure_socket_macos.cc
diff --git a/runtime/bin/secure_socket_macos.cc b/runtime/bin/secure_socket_macos.cc
index ab00cc32faf172d30cfae15c73f12bb685c3d500..84b10c0a984c3cf7e40b54fa83d4feb3ab6dc767 100644
--- a/runtime/bin/secure_socket_macos.cc
+++ b/runtime/bin/secure_socket_macos.cc
@@ -377,65 +377,6 @@ static Dart_Handle WrappedX509Certificate(SecCertificateRef certificate) {
 }
 
 
-// Where the argument to the constructor is the handle for an object
-// implementing List<int>, this class creates a scope in which the memory
-// backing the list can be accessed.
-//
-// Do not make Dart_ API calls while in a ScopedMemBuffer.
-// Do not call Dart_PropagateError while in a ScopedMemBuffer.
-class ScopedMemBuffer {
- public:
-  explicit ScopedMemBuffer(Dart_Handle object) {
-    if (!Dart_IsTypedData(object) && !Dart_IsList(object)) {
-      Dart_ThrowException(DartUtils::NewDartArgumentError(
-          "Argument is not a List<int>"));
-    }
-
-    uint8_t* bytes = NULL;
-    intptr_t bytes_len = 0;
-    bool is_typed_data = false;
-    if (Dart_IsTypedData(object)) {
-      is_typed_data = true;
-      Dart_TypedData_Type typ;
-      ThrowIfError(Dart_TypedDataAcquireData(
-          object,
-          &typ,
-          reinterpret_cast<void**>(&bytes),
-          &bytes_len));
-    } else {
-      ASSERT(Dart_IsList(object));
-      ThrowIfError(Dart_ListLength(object, &bytes_len));
-      bytes = Dart_ScopeAllocate(bytes_len);
-      ASSERT(bytes != NULL);
-      ThrowIfError(Dart_ListGetAsBytes(object, 0, bytes, bytes_len));
-    }
-
-    object_ = object;
-    bytes_ = bytes;
-    bytes_len_ = bytes_len;
-    is_typed_data_ = is_typed_data;
-  }
-
-  ~ScopedMemBuffer() {
-    if (is_typed_data_) {
-      ThrowIfError(Dart_TypedDataReleaseData(object_));
-    }
-  }
-
-  uint8_t* get() const { return bytes_; }
-  intptr_t length() const { return bytes_len_; }
-
- private:
-  Dart_Handle object_;
-  uint8_t* bytes_;
-  intptr_t bytes_len_;
-  bool is_typed_data_;
-
-  DISALLOW_ALLOCATION();
-  DISALLOW_COPY_AND_ASSIGN(ScopedMemBuffer);
-};
-
-
 static const char* GetPasswordArgument(Dart_NativeArguments args,
                                        intptr_t index) {
   Dart_Handle password_object =