[Fetch] Accept URLSearchParams in Response constructor

third_party/WebKit/Source/modules/fetch/Response.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 "modules/fetch/Response.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ArrayBufferView.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8Blob.h"
 #include "bindings/core/v8/V8FormData.h"
 #include "bindings/core/v8/V8HiddenValue.h"
+#include "bindings/core/v8/V8URLSearchParams.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMArrayBufferView.h"
+#include "core/dom/URLSearchParams.h"
 #include "core/fileapi/Blob.h"
 #include "core/html/FormData.h"
 #include "core/streams/ReadableStreamOperations.h"
 #include "modules/fetch/BodyStreamBuffer.h"
 #include "modules/fetch/DataConsumerHandleUtil.h"
 #include "modules/fetch/FetchBlobDataConsumerHandle.h"
 #include "modules/fetch/FetchFormDataConsumerHandle.h"
 #include "modules/fetch/ReadableStreamDataConsumerHandle.h"
 #include "modules/fetch/ResponseInit.h"
 #include "platform/RuntimeEnabledFeatures.h"
@@ skipping 108 matching lines @@
     } else if (body->IsArrayBuffer()) {
         bodyBuffer = new BodyStreamBuffer(scriptState, FetchFormDataConsumerHandle::create(V8ArrayBuffer::toImpl(body.As<v8::Object>())));
     } else if (body->IsArrayBufferView()) {
         bodyBuffer = new BodyStreamBuffer(scriptState, FetchFormDataConsumerHandle::create(V8ArrayBufferView::toImpl(body.As<v8::Object>())));
     } else if (V8FormData::hasInstance(body, isolate)) {
         RefPtr<EncodedFormData> formData = V8FormData::toImpl(body.As<v8::Object>())->encodeMultiPartFormData();
         // Here we handle formData->boundary() as a C-style string. See
         // FormDataEncoder::generateUniqueBoundaryString.
         contentType = AtomicString("multipart/form-data; boundary=") + formData->boundary().data();
         bodyBuffer = new BodyStreamBuffer(scriptState, FetchFormDataConsumerHandle::create(executionContext, formData.release()));
+    } else if (V8URLSearchParams::hasInstance(body, isolate)) {
+        RefPtr<EncodedFormData> formData = V8URLSearchParams::toImpl(body.As<v8::Object>())->toEncodedFormData();
+        bodyBuffer = new BodyStreamBuffer(scriptState, FetchFormDataConsumerHandle::create(executionContext, formData.release()));
+        contentType = "application/x-www-form-urlencoded;charset=UTF-8";
     } else if (RuntimeEnabledFeatures::responseConstructedWithReadableStreamEnabled() && ReadableStreamOperations::isReadableStream(scriptState, bodyValue)) {
         if (RuntimeEnabledFeatures::responseBodyWithV8ExtraStreamEnabled()) {
             bodyBuffer = new BodyStreamBuffer(scriptState, bodyValue);
         } else {
             std::unique_ptr<FetchDataConsumerHandle> bodyHandle;
             reader = ReadableStreamOperations::getReader(scriptState, bodyValue, exceptionState);
             if (exceptionState.hadException()) {
                 reader = ScriptValue();
                 bodyHandle = createFetchDataConsumerHandleFromWebHandle(createUnexpectedErrorDataConsumerHandle());
                 exceptionState.clearException();
             } else {
                 bodyHandle = ReadableStreamDataConsumerHandle::create(scriptState, reader);
             }
             bodyBuffer = new BodyStreamBuffer(scriptState, std::move(bodyHandle));
         }
     } else {
         String string = toUSVString(isolate, body, exceptionState);
         if (exceptionState.hadException())
             return nullptr;
         bodyBuffer = new BodyStreamBuffer(scriptState, FetchFormDataConsumerHandle::create(string));
         contentType = "text/plain;charset=UTF-8";
     }
-    // TODO(yhirano): Add the URLSearchParams case.
     Response* response = create(scriptState, bodyBuffer, contentType, ResponseInit(init, exceptionState), exceptionState);
     if (!exceptionState.hadException() && !reader.isEmpty()) {
         // Add a hidden reference so that the weak persistent in the
         // ReadableStreamDataConsumerHandle will be valid as long as the
         // Response is valid.
         v8::Local<v8::Value> wrapper = toV8(response, scriptState);
         if (wrapper.IsEmpty()) {
             exceptionState.throwTypeError("Cannot create a Response wrapper");
             return nullptr;
         }
@@ skipping 268 matching lines @@
 }
 
 DEFINE_TRACE(Response)
 {
     Body::trace(visitor);
     visitor->trace(m_response);
     visitor->trace(m_headers);
 }
 
 } // namespace blink