Support sending BlobData to browser process. Also support sending UploadData...

chrome/common/common_param_traits.cc

Index: chrome/common/common_param_traits.cc
===================================================================
--- chrome/common/common_param_traits.cc	(revision 57697)
+++ chrome/common/common_param_traits.cc	(working copy)
@@ -17,6 +17,7 @@
 #ifndef EXCLUDE_SKIA_DEPENDENCIES
 #include "third_party/skia/include/core/SkBitmap.h"
 #endif
+#include "webkit/blob/blob_data.h"
 #include "webkit/glue/dom_operations.h"
 #include "webkit/glue/password_form.h"
 
@@ -327,11 +328,13 @@
     WriteParam(m, static_cast<int>(p.type()));
     if (p.type() == net::UploadData::TYPE_BYTES) {
       m->WriteData(&p.bytes()[0], static_cast<int>(p.bytes().size()));
-    } else {
+    } else if (p.type() == net::UploadData::TYPE_FILE) {
       WriteParam(m, p.file_path());
       WriteParam(m, p.file_range_offset());
       WriteParam(m, p.file_range_length());
       WriteParam(m, p.expected_file_modification_time());
+    } else {
+      WriteParam(m, p.blob_url());
     }
   }
   static bool Read(const Message* m, void** iter, param_type* r) {
@@ -344,8 +347,7 @@
       if (!m->ReadData(iter, &data, &len))
         return false;
       r->SetToBytes(data, len);
-    } else {
-      DCHECK(type == net::UploadData::TYPE_FILE);
+    } else if (type == net::UploadData::TYPE_FILE) {
       FilePath file_path;
       uint64 offset, length;
       base::Time expected_modification_time;
@@ -359,6 +361,12 @@
         return false;
       r->SetToFilePathRange(file_path, offset, length,
                             expected_modification_time);
+    } else {
+      DCHECK(type == net::UploadData::TYPE_BLOB);
+      GURL blob_url;
+      if (!ReadParam(m, iter, &blob_url))
+        return false;
+      r->SetToBlobUrl(blob_url);
     }
     return true;
   }
@@ -401,6 +409,106 @@
   l->append("<net::UploadData>");
 }
 
+// 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>");
+}
+
 void ParamTraits<ThumbnailScore>::Write(Message* m, const param_type& p) {
   IPC::ParamTraits<double>::Write(m, p.boring_score);
   IPC::ParamTraits<bool>::Write(m, p.good_clipping);