Enable transmitting Fetch Requests over Mojo

third_party/WebKit/Source/platform/mojo/FetchAPIRequestStructTraits.cpp

Index: third_party/WebKit/Source/platform/mojo/FetchAPIRequestStructTraits.cpp
diff --git a/third_party/WebKit/Source/platform/mojo/FetchAPIRequestStructTraits.cpp b/third_party/WebKit/Source/platform/mojo/FetchAPIRequestStructTraits.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..796dd0a85ba214c057b67cf4a7aad901e9802cb8
--- /dev/null
+++ b/third_party/WebKit/Source/platform/mojo/FetchAPIRequestStructTraits.cpp
@@ -0,0 +1,503 @@
+// Copyright 2017 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 "platform/mojo/FetchAPIRequestStructTraits.h"
+
+#include "mojo/public/cpp/bindings/map_traits_wtf_hash_map.h"
+#include "mojo/public/cpp/bindings/string_traits_wtf.h"
+#include "platform/blob/BlobData.h"
+#include "platform/mojo/KURLStructTraits.h"
+#include "platform/mojo/ReferrerStructTraits.h"
+#include "platform/weborigin/Referrer.h"
+#include "public/platform/WebReferrerPolicy.h"
+
+namespace mojo {
+
+namespace {
+
+// Struct traits context for the FetchAPIRequest type. Since getters are invoked
+// twice when serializing the type, this reduces the load for heavy members.
+struct FetchAPIRequestStructTraitsContext {
+  FetchAPIRequestStructTraitsContext() = default;
+  ~FetchAPIRequestStructTraitsContext() = default;
+
+  WTF::HashMap<WTF::String, WTF::String> headers;
+};
+
+}  // namespace
+
+using blink::mojom::FetchCredentialsMode;
+using blink::mojom::FetchRedirectMode;
+using blink::mojom::FetchRequestMode;
+using blink::mojom::RequestContextFrameType;
+using blink::mojom::RequestContextType;
+
+FetchCredentialsMode
+EnumTraits<FetchCredentialsMode, blink::WebURLRequest::FetchCredentialsMode>::
+    ToMojom(blink::WebURLRequest::FetchCredentialsMode input) {
+  switch (input) {
+    case blink::WebURLRequest::FetchCredentialsModeOmit:
+      return FetchCredentialsMode::OMIT;
+    case blink::WebURLRequest::FetchCredentialsModeSameOrigin:
+      return FetchCredentialsMode::SAME_ORIGIN;
+    case blink::WebURLRequest::FetchCredentialsModeInclude:
+      return FetchCredentialsMode::INCLUDE;
+    case blink::WebURLRequest::FetchCredentialsModePassword:
+      return FetchCredentialsMode::PASSWORD;
+  }
+
+  NOTREACHED();
+  return FetchCredentialsMode::OMIT;
+}
+
+bool EnumTraits<FetchCredentialsMode,
+                blink::WebURLRequest::FetchCredentialsMode>::
+    FromMojom(FetchCredentialsMode input,
+              blink::WebURLRequest::FetchCredentialsMode* out) {
+  switch (input) {
+    case FetchCredentialsMode::OMIT:
+      *out = blink::WebURLRequest::FetchCredentialsModeOmit;
+      return true;
+    case FetchCredentialsMode::SAME_ORIGIN:
+      *out = blink::WebURLRequest::FetchCredentialsModeSameOrigin;
+      return true;
+    case FetchCredentialsMode::INCLUDE:
+      *out = blink::WebURLRequest::FetchCredentialsModeInclude;
+      return true;
+    case FetchCredentialsMode::PASSWORD:
+      *out = blink::WebURLRequest::FetchCredentialsModePassword;
+      return true;
+  }
+
+  return false;
+}
+
+FetchRedirectMode
+EnumTraits<FetchRedirectMode, blink::WebURLRequest::FetchRedirectMode>::ToMojom(
+    blink::WebURLRequest::FetchRedirectMode input) {
+  switch (input) {
+    case blink::WebURLRequest::FetchRedirectModeFollow:
+      return FetchRedirectMode::FOLLOW;
+    case blink::WebURLRequest::FetchRedirectModeError:
+      return FetchRedirectMode::ERROR;
+    case blink::WebURLRequest::FetchRedirectModeManual:
+      return FetchRedirectMode::MANUAL;
+  }
+
+  NOTREACHED();
+  return FetchRedirectMode::ERROR;
+}
+
+bool EnumTraits<FetchRedirectMode, blink::WebURLRequest::FetchRedirectMode>::
+    FromMojom(FetchRedirectMode input,
+              blink::WebURLRequest::FetchRedirectMode* out) {
+  switch (input) {
+    case FetchRedirectMode::FOLLOW:
+      *out = blink::WebURLRequest::FetchRedirectModeFollow;
+      return true;
+    case FetchRedirectMode::ERROR:
+      *out = blink::WebURLRequest::FetchRedirectModeError;
+      return true;
+    case FetchRedirectMode::MANUAL:
+      *out = blink::WebURLRequest::FetchRedirectModeManual;
+      return true;
+  }
+
+  return false;
+}
+
+FetchRequestMode
+EnumTraits<FetchRequestMode, blink::WebURLRequest::FetchRequestMode>::ToMojom(
+    blink::WebURLRequest::FetchRequestMode input) {
+  switch (input) {
+    case blink::WebURLRequest::FetchRequestModeSameOrigin:
+      return FetchRequestMode::SAME_ORIGIN;
+    case blink::WebURLRequest::FetchRequestModeNoCORS:
+      return FetchRequestMode::NO_CORS;
+    case blink::WebURLRequest::FetchRequestModeCORS:
+      return FetchRequestMode::CORS;
+    case blink::WebURLRequest::FetchRequestModeCORSWithForcedPreflight:
+      return FetchRequestMode::CORS_WITH_FORCED_PREFLIGHT;
+    case blink::WebURLRequest::FetchRequestModeNavigate:
+      return FetchRequestMode::NAVIGATE;
+  }
+
+  NOTREACHED();
+  return FetchRequestMode::NO_CORS;
+}
+
+bool EnumTraits<FetchRequestMode, blink::WebURLRequest::FetchRequestMode>::
+    FromMojom(FetchRequestMode input,
+              blink::WebURLRequest::FetchRequestMode* out) {
+  switch (input) {
+    case FetchRequestMode::SAME_ORIGIN:
+      *out = blink::WebURLRequest::FetchRequestModeSameOrigin;
+      return true;
+    case FetchRequestMode::NO_CORS:
+      *out = blink::WebURLRequest::FetchRequestModeNoCORS;
+      return true;
+    case FetchRequestMode::CORS:
+      *out = blink::WebURLRequest::FetchRequestModeCORS;
+      return true;
+    case FetchRequestMode::CORS_WITH_FORCED_PREFLIGHT:
+      *out = blink::WebURLRequest::FetchRequestModeCORSWithForcedPreflight;
+      return true;
+    case FetchRequestMode::NAVIGATE:
+      *out = blink::WebURLRequest::FetchRequestModeNavigate;
+      return true;
+  }
+
+  return false;
+}
+
+RequestContextFrameType
+EnumTraits<RequestContextFrameType, blink::WebURLRequest::FrameType>::ToMojom(
+    blink::WebURLRequest::FrameType input) {
+  switch (input) {
+    case blink::WebURLRequest::FrameTypeAuxiliary:
+      return RequestContextFrameType::AUXILIARY;
+    case blink::WebURLRequest::FrameTypeNested:
+      return RequestContextFrameType::NESTED;
+    case blink::WebURLRequest::FrameTypeNone:
+      return RequestContextFrameType::NONE;
+    case blink::WebURLRequest::FrameTypeTopLevel:
+      return RequestContextFrameType::TOP_LEVEL;
+  }
+
+  NOTREACHED();
+  return RequestContextFrameType::NONE;
+}
+
+bool EnumTraits<RequestContextFrameType, blink::WebURLRequest::FrameType>::
+    FromMojom(RequestContextFrameType input,
+              blink::WebURLRequest::FrameType* out) {
+  switch (input) {
+    case RequestContextFrameType::AUXILIARY:
+      *out = blink::WebURLRequest::FrameTypeAuxiliary;
+      return true;
+    case RequestContextFrameType::NESTED:
+      *out = blink::WebURLRequest::FrameTypeNested;
+      return true;
+    case RequestContextFrameType::NONE:
+      *out = blink::WebURLRequest::FrameTypeNone;
+      return true;
+    case RequestContextFrameType::TOP_LEVEL:
+      *out = blink::WebURLRequest::FrameTypeTopLevel;
+      return true;
+  }
+
+  return false;
+}
+
+RequestContextType
+EnumTraits<RequestContextType, blink::WebURLRequest::RequestContext>::ToMojom(
+    blink::WebURLRequest::RequestContext input) {
+  switch (input) {
+    case blink::WebURLRequest::RequestContextUnspecified:
+      return RequestContextType::UNSPECIFIED;
+    case blink::WebURLRequest::RequestContextAudio:
+      return RequestContextType::AUDIO;
+    case blink::WebURLRequest::RequestContextBeacon:
+      return RequestContextType::BEACON;
+    case blink::WebURLRequest::RequestContextCSPReport:
+      return RequestContextType::CSP_REPORT;
+    case blink::WebURLRequest::RequestContextDownload:
+      return RequestContextType::DOWNLOAD;
+    case blink::WebURLRequest::RequestContextEmbed:
+      return RequestContextType::EMBED;
+    case blink::WebURLRequest::RequestContextEventSource:
+      return RequestContextType::EVENT_SOURCE;
+    case blink::WebURLRequest::RequestContextFavicon:
+      return RequestContextType::FAVICON;
+    case blink::WebURLRequest::RequestContextFetch:
+      return RequestContextType::FETCH;
+    case blink::WebURLRequest::RequestContextFont:
+      return RequestContextType::FONT;
+    case blink::WebURLRequest::RequestContextForm:
+      return RequestContextType::FORM;
+    case blink::WebURLRequest::RequestContextFrame:
+      return RequestContextType::FRAME;
+    case blink::WebURLRequest::RequestContextHyperlink:
+      return RequestContextType::HYPERLINK;
+    case blink::WebURLRequest::RequestContextIframe:
+      return RequestContextType::IFRAME;
+    case blink::WebURLRequest::RequestContextImage:
+      return RequestContextType::IMAGE;
+    case blink::WebURLRequest::RequestContextImageSet:
+      return RequestContextType::IMAGE_SET;
+    case blink::WebURLRequest::RequestContextImport:
+      return RequestContextType::IMPORT;
+    case blink::WebURLRequest::RequestContextInternal:
+      return RequestContextType::INTERNAL;
+    case blink::WebURLRequest::RequestContextLocation:
+      return RequestContextType::LOCATION;
+    case blink::WebURLRequest::RequestContextManifest:
+      return RequestContextType::MANIFEST;
+    case blink::WebURLRequest::RequestContextObject:
+      return RequestContextType::OBJECT;
+    case blink::WebURLRequest::RequestContextPing:
+      return RequestContextType::PING;
+    case blink::WebURLRequest::RequestContextPlugin:
+      return RequestContextType::PLUGIN;
+    case blink::WebURLRequest::RequestContextPrefetch:
+      return RequestContextType::PREFETCH;
+    case blink::WebURLRequest::RequestContextScript:
+      return RequestContextType::SCRIPT;
+    case blink::WebURLRequest::RequestContextServiceWorker:
+      return RequestContextType::SERVICE_WORKER;
+    case blink::WebURLRequest::RequestContextSharedWorker:
+      return RequestContextType::SHARED_WORKER;
+    case blink::WebURLRequest::RequestContextSubresource:
+      return RequestContextType::SUBRESOURCE;
+    case blink::WebURLRequest::RequestContextStyle:
+      return RequestContextType::STYLE;
+    case blink::WebURLRequest::RequestContextTrack:
+      return RequestContextType::TRACK;
+    case blink::WebURLRequest::RequestContextVideo:
+      return RequestContextType::VIDEO;
+    case blink::WebURLRequest::RequestContextWorker:
+      return RequestContextType::WORKER;
+    case blink::WebURLRequest::RequestContextXMLHttpRequest:
+      return RequestContextType::XML_HTTP_REQUEST;
+    case blink::WebURLRequest::RequestContextXSLT:
+      return RequestContextType::XSLT;
+  }
+
+  NOTREACHED();
+  return RequestContextType::UNSPECIFIED;
+}
+
+bool EnumTraits<RequestContextType, blink::WebURLRequest::RequestContext>::
+    FromMojom(RequestContextType input,
+              blink::WebURLRequest::RequestContext* out) {
+  switch (input) {
+    case RequestContextType::UNSPECIFIED:
+      *out = blink::WebURLRequest::RequestContextUnspecified;
+      return true;
+    case RequestContextType::AUDIO:
+      *out = blink::WebURLRequest::RequestContextAudio;
+      return true;
+    case RequestContextType::BEACON:
+      *out = blink::WebURLRequest::RequestContextBeacon;
+      return true;
+    case RequestContextType::CSP_REPORT:
+      *out = blink::WebURLRequest::RequestContextCSPReport;
+      return true;
+    case RequestContextType::DOWNLOAD:
+      *out = blink::WebURLRequest::RequestContextDownload;
+      return true;
+    case RequestContextType::EMBED:
+      *out = blink::WebURLRequest::RequestContextEmbed;
+      return true;
+    case RequestContextType::EVENT_SOURCE:
+      *out = blink::WebURLRequest::RequestContextEventSource;
+      return true;
+    case RequestContextType::FAVICON:
+      *out = blink::WebURLRequest::RequestContextFavicon;
+      return true;
+    case RequestContextType::FETCH:
+      *out = blink::WebURLRequest::RequestContextFetch;
+      return true;
+    case RequestContextType::FONT:
+      *out = blink::WebURLRequest::RequestContextFont;
+      return true;
+    case RequestContextType::FORM:
+      *out = blink::WebURLRequest::RequestContextForm;
+      return true;
+    case RequestContextType::FRAME:
+      *out = blink::WebURLRequest::RequestContextFrame;
+      return true;
+    case RequestContextType::HYPERLINK:
+      *out = blink::WebURLRequest::RequestContextHyperlink;
+      return true;
+    case RequestContextType::IFRAME:
+      *out = blink::WebURLRequest::RequestContextIframe;
+      return true;
+    case RequestContextType::IMAGE:
+      *out = blink::WebURLRequest::RequestContextImage;
+      return true;
+    case RequestContextType::IMAGE_SET:
+      *out = blink::WebURLRequest::RequestContextImageSet;
+      return true;
+    case RequestContextType::IMPORT:
+      *out = blink::WebURLRequest::RequestContextImport;
+      return true;
+    case RequestContextType::INTERNAL:
+      *out = blink::WebURLRequest::RequestContextInternal;
+      return true;
+    case RequestContextType::LOCATION:
+      *out = blink::WebURLRequest::RequestContextLocation;
+      return true;
+    case RequestContextType::MANIFEST:
+      *out = blink::WebURLRequest::RequestContextManifest;
+      return true;
+    case RequestContextType::OBJECT:
+      *out = blink::WebURLRequest::RequestContextObject;
+      return true;
+    case RequestContextType::PING:
+      *out = blink::WebURLRequest::RequestContextPing;
+      return true;
+    case RequestContextType::PLUGIN:
+      *out = blink::WebURLRequest::RequestContextPlugin;
+      return true;
+    case RequestContextType::PREFETCH:
+      *out = blink::WebURLRequest::RequestContextPrefetch;
+      return true;
+    case RequestContextType::SCRIPT:
+      *out = blink::WebURLRequest::RequestContextScript;
+      return true;
+    case RequestContextType::SERVICE_WORKER:
+      *out = blink::WebURLRequest::RequestContextServiceWorker;
+      return true;
+    case RequestContextType::SHARED_WORKER:
+      *out = blink::WebURLRequest::RequestContextSharedWorker;
+      return true;
+    case RequestContextType::SUBRESOURCE:
+      *out = blink::WebURLRequest::RequestContextSubresource;
+      return true;
+    case RequestContextType::STYLE:
+      *out = blink::WebURLRequest::RequestContextStyle;
+      return true;
+    case RequestContextType::TRACK:
+      *out = blink::WebURLRequest::RequestContextTrack;
+      return true;
+    case RequestContextType::VIDEO:
+      *out = blink::WebURLRequest::RequestContextVideo;
+      return true;
+    case RequestContextType::WORKER:
+      *out = blink::WebURLRequest::RequestContextWorker;
+      return true;
+    case RequestContextType::XML_HTTP_REQUEST:
+      *out = blink::WebURLRequest::RequestContextXMLHttpRequest;
+      return true;
+    case RequestContextType::XSLT:
+      *out = blink::WebURLRequest::RequestContextXSLT;
+      return true;
+  }
+
+  return false;
+}
+
+// static
+void* StructTraits<blink::mojom::FetchAPIRequestDataView,
+                   blink::WebServiceWorkerRequest>::
+    SetUpContext(const blink::WebServiceWorkerRequest& request) {
+  FetchAPIRequestStructTraitsContext* context =
+      new FetchAPIRequestStructTraitsContext();
+  for (const auto& pair : request.headers())
+    context->headers.insert(pair.key, pair.value);

[dcheng, 2017/03/28 06:52:24]

Ditto here with MapTraits, or possibly typemapping HTTPHeaderMap directly.

[Peter Beverloo, 2017/03/28 14:07:53]

I believe this is also covered by crbug.com/705972

+
+  return context;
+}
+
+// static
+void StructTraits<blink::mojom::FetchAPIRequestDataView,
+                  blink::WebServiceWorkerRequest>::
+    TearDownContext(const blink::WebServiceWorkerRequest& request,
+                    void* context) {
+  delete static_cast<FetchAPIRequestStructTraitsContext*>(context);
+}
+
+// static
+blink::KURL StructTraits<blink::mojom::FetchAPIRequestDataView,
+                         blink::WebServiceWorkerRequest>::
+    url(const blink::WebServiceWorkerRequest& request) {
+  return request.url();
+}
+
+// static
+WTF::String StructTraits<blink::mojom::FetchAPIRequestDataView,
+                         blink::WebServiceWorkerRequest>::
+    method(const blink::WebServiceWorkerRequest& request) {
+  return request.method();
+}
+
+// static
+const WTF::HashMap<WTF::String, WTF::String>&
+StructTraits<blink::mojom::FetchAPIRequestDataView,
+             blink::WebServiceWorkerRequest>::
+    headers(const blink::WebServiceWorkerRequest& request, void* context) {
+  DCHECK(context);
+  return static_cast<FetchAPIRequestStructTraitsContext*>(context)->headers;
+}
+
+// static
+const blink::Referrer& StructTraits<blink::mojom::FetchAPIRequestDataView,
+                                    blink::WebServiceWorkerRequest>::
+    referrer(const blink::WebServiceWorkerRequest& request) {
+  return request.referrer();
+}
+
+// static
+WTF::String StructTraits<blink::mojom::FetchAPIRequestDataView,
+                         blink::WebServiceWorkerRequest>::
+    blob_uuid(const blink::WebServiceWorkerRequest& request) {
+  if (request.blobDataHandle())
+    return request.blobDataHandle()->uuid();
+
+  return WTF::String();
+}
+
+// static
+uint64_t StructTraits<blink::mojom::FetchAPIRequestDataView,
+                      blink::WebServiceWorkerRequest>::
+    blob_size(const blink::WebServiceWorkerRequest& request) {
+  if (request.blobDataHandle())
+    return request.blobDataHandle()->size();
+
+  return 0;
+}
+
+// static
+WTF::String StructTraits<blink::mojom::FetchAPIRequestDataView,
+                         blink::WebServiceWorkerRequest>::
+    client_id(const blink::WebServiceWorkerRequest& request) {
+  return request.clientId();
+}
+
+// static
+bool StructTraits<blink::mojom::FetchAPIRequestDataView,
+                  blink::WebServiceWorkerRequest>::
+    Read(blink::mojom::FetchAPIRequestDataView data,
+         blink::WebServiceWorkerRequest* out) {
+  blink::WebURLRequest::FetchRequestMode mode;
+  blink::WebURLRequest::RequestContext requestContext;
+  blink::WebURLRequest::FrameType frameType;
+  blink::KURL url;
+  WTF::String method;
+  WTF::HashMap<WTF::String, WTF::String> headers;
+  WTF::String blobUuid;
+  blink::Referrer referrer;
+  blink::WebURLRequest::FetchCredentialsMode credentialsMode;
+  blink::WebURLRequest::FetchRedirectMode redirectMode;
+  WTF::String clientId;
+
+  if (!data.ReadMode(&mode) || !data.ReadRequestContextType(&requestContext) ||
+      !data.ReadFrameType(&frameType) || !data.ReadUrl(&url) ||
+      !data.ReadMethod(&method) || !data.ReadHeaders(&headers) ||
+      !data.ReadBlobUuid(&blobUuid) || !data.ReadReferrer(&referrer) ||
+      !data.ReadCredentialsMode(&credentialsMode) ||
+      !data.ReadRedirectMode(&redirectMode) || !data.ReadClientId(&clientId)) {
+    return false;
+  }
+
+  out->setMode(mode);
+  out->setIsMainResourceLoad(data.is_main_resource_load());
+  out->setRequestContext(requestContext);
+  out->setFrameType(frameType);
+  out->setURL(url);
+  out->setMethod(method);
+  for (const auto& pair : headers)
+    out->setHeader(pair.key, pair.value);
+  out->setBlob(blobUuid, static_cast<long long>(data.blob_size()));
+  out->setReferrer(referrer.referrer, static_cast<blink::WebReferrerPolicy>(
+                                          referrer.referrerPolicy));
+  out->setCredentialsMode(credentialsMode);
+  out->setRedirectMode(redirectMode);
+  out->setClientId(clientId);
+  out->setIsReload(data.is_reload());
+  return true;
+}
+
+}  // namespace mojo