Move ParamTraits<base::PlatformFileInfo> and <base::PlatformFileError>.

Move thse to ipc/ from content/common so that they may be used in directories
parallel to content/. Pre-requisite for fixing the associated bug.
BUG=127624

Review URL: https://chromiumcodereview.appspot.com/10442072

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@139636 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 57 insertions, 0 deletions

diff --git a/ipc/ipc_message_utils.cc b/ipc/ipc_message_utils.cc
index 8f27c52..3caf2a4 100644
--- a/ipc/ipc_message_utils.cc
+++ b/ipc/ipc_message_utils.cc
@@ -251,6 +251,49 @@ void ParamTraits<unsigned short>::Log(const param_type& p, std::string* l) {
   l->append(base::UintToString(p));
 }
 
+void ParamTraits<base::PlatformFileInfo>::Write(
+    Message* m, const param_type& p) {
+  WriteParam(m, p.size);
+  WriteParam(m, p.is_directory);
+  WriteParam(m, p.last_modified.ToDoubleT());
+  WriteParam(m, p.last_accessed.ToDoubleT());
+  WriteParam(m, p.creation_time.ToDoubleT());
+}
+
+bool ParamTraits<base::PlatformFileInfo>::Read(
+    const Message* m, PickleIterator* iter, param_type* p) {
+  double last_modified;
+  double last_accessed;
+  double creation_time;
+  bool result =
+      ReadParam(m, iter, &p->size) &&
+      ReadParam(m, iter, &p->is_directory) &&
+      ReadParam(m, iter, &last_modified) &&
+      ReadParam(m, iter, &last_accessed) &&
+      ReadParam(m, iter, &creation_time);
+  if (result) {
+    p->last_modified = base::Time::FromDoubleT(last_modified);
+    p->last_accessed = base::Time::FromDoubleT(last_accessed);
+    p->creation_time = base::Time::FromDoubleT(creation_time);
+  }
+  return result;
+}
+
+void ParamTraits<base::PlatformFileInfo>::Log(
+    const param_type& p, std::string* l) {
+  l->append("(");
+  LogParam(p.size, l);
+  l->append(",");
+  LogParam(p.is_directory, l);
+  l->append(",");
+  LogParam(p.last_modified.ToDoubleT(), l);
+  l->append(",");
+  LogParam(p.last_accessed.ToDoubleT(), l);
+  l->append(",");
+  LogParam(p.creation_time.ToDoubleT(), l);
+  l->append(")");
+}
+
 void ParamTraits<base::Time>::Write(Message* m, const param_type& p) {
   ParamTraits<int64>::Write(m, p.ToInternalValue());
 }
diff --git a/ipc/ipc_message_utils.h b/ipc/ipc_message_utils.h
index 9e259f1..d744389 100644
--- a/ipc/ipc_message_utils.h
+++ b/ipc/ipc_message_utils.h
@@ -13,6 +13,7 @@
 #include <vector>
 
 #include "base/format_macros.h"
+#include "base/platform_file.h"
 #include "base/string16.h"
 #include "base/stringprintf.h"
 #include "base/string_util.h"
@@ -335,6 +336,19 @@ struct ParamTraits<double> {
 };
 
 template <>
+struct IPC_EXPORT ParamTraits<base::PlatformFileInfo> {
+  typedef base::PlatformFileInfo param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template <>
+struct SimilarTypeTraits<base::PlatformFileError> {
+  typedef int Type;
+};
+
+template <>
 struct IPC_EXPORT ParamTraits<base::Time> {
   typedef base::Time param_type;
   static void Write(Message* m, const param_type& p);