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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "bindings/core/v8/V8HiddenValue.h" | 5 #include "bindings/core/v8/V8HiddenValue.h" |
| 6 | 6 |
| 7 #include "bindings/core/v8/ScriptState.h" | 7 #include "bindings/core/v8/ScriptState.h" |
| 8 #include "bindings/core/v8/ScriptWrappable.h" | 8 #include "bindings/core/v8/ScriptWrappable.h" |
| 9 #include "bindings/core/v8/V8Binding.h" | 9 #include "bindings/core/v8/V8Binding.h" |
| 10 | 10 |
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| 43 } | 43 } |
| 44 | 44 |
| 45 bool V8HiddenValue::deleteHiddenValue(ScriptState* scriptState, v8::Local<v8::Ob
ject> object, v8::Local<v8::String> key) | 45 bool V8HiddenValue::deleteHiddenValue(ScriptState* scriptState, v8::Local<v8::Ob
ject> object, v8::Local<v8::String> key) |
| 46 { | 46 { |
| 47 // Actually deleting the value would make force the object into dictionary m
ode which is unnecessarily slow. Instead, we replace the hidden value with "unde
fined". | 47 // Actually deleting the value would make force the object into dictionary m
ode which is unnecessarily slow. Instead, we replace the hidden value with "unde
fined". |
| 48 return v8CallBoolean(object->SetPrivate(scriptState->context(), v8::Private:
:ForApi(scriptState->isolate(), key), v8::Undefined(scriptState->isolate()))); | 48 return v8CallBoolean(object->SetPrivate(scriptState->context(), v8::Private:
:ForApi(scriptState->isolate(), key), v8::Undefined(scriptState->isolate()))); |
| 49 } | 49 } |
| 50 | 50 |
| 51 v8::Local<v8::Value> V8HiddenValue::getHiddenValueFromMainWorldWrapper(ScriptSta
te* scriptState, ScriptWrappable* wrappable, v8::Local<v8::String> key) | 51 v8::Local<v8::Value> V8HiddenValue::getHiddenValueFromMainWorldWrapper(ScriptSta
te* scriptState, ScriptWrappable* wrappable, v8::Local<v8::String> key) |
| 52 { | 52 { |
| 53 v8::Local<v8::Object> wrapper = wrappable->newLocalWrapper(scriptState->isol
ate()); | 53 v8::Local<v8::Object> wrapper = wrappable->mainWorldWrapper(scriptState->iso
late()); |
| 54 return wrapper.IsEmpty() ? v8::Local<v8::Value>() : getHiddenValue(scriptSta
te, wrapper, key); | 54 return wrapper.IsEmpty() ? v8::Local<v8::Value>() : getHiddenValue(scriptSta
te, wrapper, key); |
| 55 } | 55 } |
| 56 | 56 |
| 57 } // namespace blink | 57 } // namespace blink |
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