Add the plumbing and test code for plugins opening files from the sandbox. Th...

chrome/common/render_messages.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_COMMON_RENDER_MESSAGES_H_
 #define CHROME_COMMON_RENDER_MESSAGES_H_
 
 #include <string>
 #include <vector>
 #include <map>
@@ skipping 378 matching lines @@
 
 struct ViewMsg_DatabaseOpenFileResponse_Params {
 #if defined(OS_WIN)
   base::PlatformFile file_handle;     // DB file handle
 #elif defined(OS_POSIX)
   base::FileDescriptor file_handle;   // DB file handle
   base::FileDescriptor dir_handle;    // DB directory handle
 #endif
 };
 
+struct ViewMsg_OpenFileForPluginResponse_Params {
+  // Note: if we end up having to add a directory handle, this should be
+  // combined with the DatabaseOpenFileResponse_Params struct.
+#if defined(OS_WIN)
+  base::PlatformFile file_handle;
+#elif defined(OS_POSIX)
+  base::FileDescriptor file_handle;
+#endif
+};
+
 // Parameters to describe a rendered page.
 struct ViewHostMsg_DidPrintPage_Params {
   // A shared memory handle to the EMF data. This data can be quite large so a
   // memory map needs to be used.
   base::SharedMemoryHandle metafile_data_handle;
 
   // Size of the metafile data.
   unsigned data_size;
 
   // Cookie for the document to ensure correctness.
@@ skipping 1359 matching lines @@
     LogParam(p.file_handle, l);
 #if defined(OS_POSIX)
     l->append(L", ");
     LogParam(p.dir_handle, l);
 #endif
     l->append(L")");
   }
 };
 
 template <>
+struct ParamTraits<ViewMsg_OpenFileForPluginResponse_Params> {
+  typedef ViewMsg_OpenFileForPluginResponse_Params param_type;
+  static void Write(Message* m, const param_type& p) {
+    WriteParam(m, p.file_handle);
+  }
+  static bool Read(const Message* m, void** iter, param_type* p) {
+    return ReadParam(m, iter, &p->file_handle);
+  }
+  static void Log(const param_type& p, std::wstring* l) {
+    LogParam(p.file_handle, l);
+  }
+};
+
+template <>
 struct ParamTraits<appcache::Status> {
   typedef appcache::Status param_type;
   static void Write(Message* m, const param_type& p) {
     m->WriteInt(static_cast<int>(p));
   }
   static bool Read(const Message* m, void** iter, param_type* p) {
     int type;
     if (!m->ReadInt(iter, &type))
       return false;
     *p = static_cast<param_type>(type);
@@ skipping 372 matching lines @@
   }
 };
 
 }  // namespace IPC
 
 
 #define MESSAGES_INTERNAL_FILE "chrome/common/render_messages_internal.h"
 #include "ipc/ipc_message_macros.h"
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_H_