permissions: add layout tests for multiple requests

third_party/WebKit/Source/modules/permissions/Permissions.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "modules/permissions/Permissions.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 137 matching lines @@
 
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     // We need to do this is a separate loop because we can't create the Resolver and Promise untile we are clear of all parsing/type errors.
     for (size_t i = 0; i < rawPermissions.size(); ++i) {
         if (handleNotSupportedPermission(scriptState, rawPermissions[i], resolver, (*permissions)[i], exceptionState))
             return promise;
     }
 
-    client->requestPermissions(*permissions, KURL(KURL(), scriptState->executionContext()->securityOrigin()->toString()), new PermissionsCallback(resolver, permissions.release()));
+    WebVector<WebPermissionType> permissionsCopy = *permissions;
+    client->requestPermissions(permissionsCopy, KURL(KURL(), scriptState->executionContext()->securityOrigin()->toString()), new PermissionsCallback(resolver, permissions.release()));
     return promise;
 }
 
 ScriptPromise Permissions::revoke(ScriptState* scriptState, const Dictionary& rawPermission)
 {
     WebPermissionClient* client = getClient(scriptState->executionContext());
     if (!client)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "In its current state, the global scope can't revoke permissions."));
 
     TrackExceptionState exceptionState;
     PermissionDescriptor permission = NativeValueTraits<PermissionDescriptor>::nativeValue(scriptState->isolate(), rawPermission.v8Value(), exceptionState);
 
     if (exceptionState.hadException())
         return ScriptPromise::reject(scriptState, v8::Exception::TypeError(v8String(scriptState->isolate(), exceptionState.message())));
 
     ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     WebPermissionType type = getPermissionType(scriptState, rawPermission, permission, exceptionState);
     if (handleNotSupportedPermission(scriptState, rawPermission, resolver, type, exceptionState))
         return promise;
 
     client->revokePermission(type, KURL(KURL(), scriptState->executionContext()->securityOrigin()->toString()), new PermissionCallback(resolver, type));
     return promise;
 }
 
 } // namespace blink