Move the blob related code to content, and also move the blob messages to the...

content/common/common_param_traits.cc

 // Copyright (c) 2011 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 "content/common/common_param_traits.h"
 
 #include "content/common/content_constants.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/upload_data.h"
 #include "net/http/http_response_headers.h"
@@ skipping 537 matching lines @@
   r->set_width(w);
   r->set_height(h);
   return true;
 }
 
 void ParamTraits<gfx::Rect>::Log(const gfx::Rect& p, std::string* l) {
   l->append(base::StringPrintf("(%d, %d, %d, %d)", p.x(), p.y(),
                                p.width(), p.height()));
 }
 
+// Only the webkit_blob::BlobData ParamTraits<> definition needs this
+// definition, so keep this in the implementation file so we can forward declare
+// BlobData in the header.
+template <>
+struct ParamTraits<webkit_blob::BlobData::Item> {
+  typedef webkit_blob::BlobData::Item param_type;
+  static void Write(Message* m, const param_type& p) {
+    WriteParam(m, static_cast<int>(p.type()));
+    if (p.type() == webkit_blob::BlobData::TYPE_DATA) {
+      WriteParam(m, p.data());
+    } else if (p.type() == webkit_blob::BlobData::TYPE_FILE) {
+      WriteParam(m, p.file_path());
+      WriteParam(m, p.offset());
+      WriteParam(m, p.length());
+      WriteParam(m, p.expected_modification_time());
+    } else {
+      WriteParam(m, p.blob_url());
+      WriteParam(m, p.offset());
+      WriteParam(m, p.length());
+    }
+  }
+  static bool Read(const Message* m, void** iter, param_type* r) {
+    int type;
+    if (!ReadParam(m, iter, &type))
+      return false;
+    if (type == webkit_blob::BlobData::TYPE_DATA) {
+      std::string data;
+      if (!ReadParam(m, iter, &data))
+        return false;
+      r->SetToData(data);
+    } else if (type == webkit_blob::BlobData::TYPE_FILE) {
+      FilePath file_path;
+      uint64 offset, length;
+      base::Time expected_modification_time;
+      if (!ReadParam(m, iter, &file_path))
+        return false;
+      if (!ReadParam(m, iter, &offset))
+        return false;
+      if (!ReadParam(m, iter, &length))
+        return false;
+      if (!ReadParam(m, iter, &expected_modification_time))
+        return false;
+      r->SetToFile(file_path, offset, length, expected_modification_time);
+    } else {
+      DCHECK(type == webkit_blob::BlobData::TYPE_BLOB);
+      GURL blob_url;
+      uint64 offset, length;
+      if (!ReadParam(m, iter, &blob_url))
+        return false;
+      if (!ReadParam(m, iter, &offset))
+        return false;
+      if (!ReadParam(m, iter, &length))
+        return false;
+      r->SetToBlob(blob_url, offset, length);
+    }
+    return true;
+  }
+  static void Log(const param_type& p, std::string* l) {
+    l->append("<BlobData::Item>");
+  }
+};
+
+void ParamTraits<scoped_refptr<webkit_blob::BlobData> >::Write(
+    Message* m, const param_type& p) {
+  WriteParam(m, p.get() != NULL);
+  if (p) {
+    WriteParam(m, p->items());
+    WriteParam(m, p->content_type());
+    WriteParam(m, p->content_disposition());
+  }
+}
+
+bool ParamTraits<scoped_refptr<webkit_blob::BlobData> >::Read(
+    const Message* m, void** iter, param_type* r) {
+  bool has_object;
+  if (!ReadParam(m, iter, &has_object))
+    return false;
+  if (!has_object)
+    return true;
+  std::vector<webkit_blob::BlobData::Item> items;
+  if (!ReadParam(m, iter, &items))
+    return false;
+  std::string content_type;
+  if (!ReadParam(m, iter, &content_type))
+    return false;
+  std::string content_disposition;
+  if (!ReadParam(m, iter, &content_disposition))
+    return false;
+  *r = new webkit_blob::BlobData;
+  (*r)->swap_items(&items);
+  (*r)->set_content_type(content_type);
+  (*r)->set_content_disposition(content_disposition);
+  return true;
+}
+
+void ParamTraits<scoped_refptr<webkit_blob::BlobData> >::Log(
+    const param_type& p, std::string* l) {
+  l->append("<webkit_blob::BlobData>");
+}
+
 }  // namespace IPC