[Webkit-unassigned] [Bug 79222] [chromium] createObjectURL(Blob) throws 'Illegal invocation' error when MEDIA_STREAM is disabled.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79222





--- Comment #5 from Hao Zheng <zhenghao at chromium.org>  2012-02-23 04:07:59 PST ---
If there are 2 createBlobURL methods, the generated code is:

    desc->Set(v8::String::New("createObjectURL"), v8::FunctionTemplate::New(DOMURLInternal::createObjectURLCallback, v8::Handle<v8::Value>(), v8::Local<v8::Signature>()));
    desc->Set(v8::String::New("revokeObjectURL"), v8::FunctionTemplate::New(DOMURLInternal::revokeObjectURLCallback, v8::Handle<v8::Value>(), v8::Local<v8::Signature>()));

If there is only 1 createBlobURL method (after MEDIA_STREAM is disabled), the code is:

    // Custom Signature 'createObjectURL'
    const int createObjectURLArgc = 1;
    v8::Handle<v8::FunctionTemplate> createObjectURLArgv[createObjectURLArgc] = { V8Blob::GetRawTemplate() };
    v8::Handle<v8::Signature> createObjectURLSignature = v8::Signature::New(desc, createObjectURLArgc, createObjectURLArgv);
    desc->Set(v8::String::New("createObjectURL"), v8::FunctionTemplate::New(DOMURLInternal::createObjectURLCallback, v8::Handle<v8::Value>(), createObjectURLSignature));
    desc->Set(v8::String::New("revokeObjectURL"), v8::FunctionTemplate::New(DOMURLInternal::revokeObjectURLCallback, v8::Handle<v8::Value>(), v8::Local<v8::Signature>()));

It appears to me that signature check is only executed when one method is defined. Not sure if it's related to the bug.

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