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}

3 files changed, 18 insertions, 23 deletions

diff --git a/base/process/process.h b/base/process/process.h
index 6ff7d76..36f8574 100644
--- a/base/process/process.h
+++ b/base/process/process.h
@@ -32,19 +32,17 @@ namespace base {
 // the process dies, and it may be reused by the system, which means that it may
 // end up pointing to the wrong process.
 class BASE_EXPORT Process {
-  MOVE_ONLY_TYPE_FOR_CPP_03(Process, RValue)
+  MOVE_ONLY_TYPE_FOR_CPP_03(Process)
 
  public:
   explicit Process(ProcessHandle handle = kNullProcessHandle);
 
-  // Move constructor for C++03 move emulation of this type.
-  Process(RValue other);
+  Process(Process&& other);
 
   // The destructor does not terminate the process.
   ~Process();
 
-  // Move operator= for C++03 move emulation of this type.
-  Process& operator=(RValue other);
+  Process& operator=(Process&& other);
 
   // Returns an object for the current process.
   static Process Current();
diff --git a/base/process/process_posix.cc b/base/process/process_posix.cc
index 2320ce7..7b2eed7 100644
--- a/base/process/process_posix.cc
+++ b/base/process/process_posix.cc
@@ -217,16 +217,14 @@ Process::Process(ProcessHandle handle) : process_(handle) {
 Process::~Process() {
 }
 
-Process::Process(RValue other)
-    : process_(other.object->process_) {
-  other.object->Close();
+Process::Process(Process&& other) : process_(other.process_) {
+  other.Close();
 }
 
-Process& Process::operator=(RValue other) {
-  if (this != other.object) {
-    process_ = other.object->process_;
-    other.object->Close();
-  }
+Process& Process::operator=(Process&& other) {
+  DCHECK_NE(this, &other);
+  process_ = other.process_;
+  other.Close();
   return *this;
 }
 
diff --git a/base/process/process_win.cc b/base/process/process_win.cc
index 818864f..e7f35b3 100644
--- a/base/process/process_win.cc
+++ b/base/process/process_win.cc
@@ -25,21 +25,20 @@ Process::Process(ProcessHandle handle)
   CHECK_NE(handle, ::GetCurrentProcess());
 }
 
-Process::Process(RValue other)
-    : is_current_process_(other.object->is_current_process_),
-      process_(other.object->process_.Take()) {
-  other.object->Close();
+Process::Process(Process&& other)
+    : is_current_process_(other.is_current_process_),
+      process_(other.process_.Take()) {
+  other.Close();
 }
 
 Process::~Process() {
 }
 
-Process& Process::operator=(RValue other) {
-  if (this != other.object) {
-    process_.Set(other.object->process_.Take());
-    is_current_process_ = other.object->is_current_process_;
-    other.object->Close();
-  }
+Process& Process::operator=(Process&& other) {
+  DCHECK_NE(this, &other);
+  process_.Set(other.process_.Take());
+  is_current_process_ = other.is_current_process_;
+  other.Close();
   return *this;
 }