Remove old C++03 move emulation code.

Chrome allows the use of C++11 features now, so just use rvalue
references directly.

BUG=543901

Review URL: https://codereview.chromium.org/1407443002

Cr-Commit-Position: refs/heads/master@{#362394}

2 files changed, 7 insertions, 10 deletions

diff --git a/dbus/file_descriptor.cc b/dbus/file_descriptor.cc
index c740f28..b690881 100644
--- a/dbus/file_descriptor.cc
+++ b/dbus/file_descriptor.cc
@@ -21,9 +21,8 @@ void CHROME_DBUS_EXPORT FileDescriptor::Deleter::operator()(
       FROM_HERE, base::Bind(&base::DeletePointer<FileDescriptor>, fd), false);
 }
 
-FileDescriptor::FileDescriptor(RValue other)
-    : value_(-1), owner_(false), valid_(false) {
-  Swap(other.object);
+FileDescriptor::FileDescriptor(FileDescriptor&& other) : FileDescriptor() {
+  Swap(&other);
 }
 
 FileDescriptor::~FileDescriptor() {
@@ -31,8 +30,8 @@ FileDescriptor::~FileDescriptor() {
     base::File auto_closer(value_);
 }
 
-FileDescriptor& FileDescriptor::operator=(RValue other) {
-  Swap(other.object);
+FileDescriptor& FileDescriptor::operator=(FileDescriptor&& other) {
+  Swap(&other);
   return *this;
 }
 
diff --git a/dbus/file_descriptor.h b/dbus/file_descriptor.h
index 8a41097..41f7b4e 100644
--- a/dbus/file_descriptor.h
+++ b/dbus/file_descriptor.h
@@ -34,7 +34,7 @@ namespace dbus {
 // also allows the caller to do this work on the File thread to conform
 // with i/o restrictions.
 class CHROME_DBUS_EXPORT FileDescriptor {
-  MOVE_ONLY_TYPE_FOR_CPP_03(FileDescriptor, RValue);
+  MOVE_ONLY_TYPE_FOR_CPP_03(FileDescriptor);
 
  public:
   // This provides a simple way to pass around file descriptors since they must
@@ -49,13 +49,11 @@ class CHROME_DBUS_EXPORT FileDescriptor {
   explicit FileDescriptor(int value) : value_(value), owner_(false),
       valid_(false) {}
 
-  // Move constructor for C++03 move emulation of this type.
-  FileDescriptor(RValue other);
+  FileDescriptor(FileDescriptor&& other);
 
   virtual ~FileDescriptor();
 
-  // Move operator= for C++03 move emulation of this type.
-  FileDescriptor& operator=(RValue other);
+  FileDescriptor& operator=(FileDescriptor&& other);
 
   // Retrieves value as an int without affecting ownership.
   int value() const;