Mojo: Rename (Mojo)WaitFlagsState -> (Mojo)HandleSignalsState.

mojo/system/handle_signals_state.h

 // Copyright 2014 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 MOJO_SYSTEM_WAIT_FLAGS_STATE_H_
-#define MOJO_SYSTEM_WAIT_FLAGS_STATE_H_
+#ifndef MOJO_SYSTEM_HANDLE_SIGNALS_STATE_H_
+#define MOJO_SYSTEM_HANDLE_SIGNALS_STATE_H_
 
 #include "base/macros.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/system/system_impl_export.h"
 
 namespace mojo {
 namespace system {
 
-// Just "add" some constructors and methods to the C struct |MojoWaitFlagsState|
-// (for convenience). This should add no overhead.
-struct MOJO_SYSTEM_IMPL_EXPORT WaitFlagsState : public MojoWaitFlagsState {
-  WaitFlagsState() {
+// Just "add" some constructors and methods to the C struct
+// |MojoHandleSignalsState| (for convenience). This should add no overhead.
+struct MOJO_SYSTEM_IMPL_EXPORT HandleSignalsState
+    : public MojoHandleSignalsState {
+  HandleSignalsState() {
     satisfied_signals = MOJO_HANDLE_SIGNAL_NONE;
     satisfiable_signals = MOJO_HANDLE_SIGNAL_NONE;
   }
-  WaitFlagsState(MojoHandleSignals satisfied, MojoHandleSignals satisfiable) {
+  HandleSignalsState(MojoHandleSignals satisfied,
+                     MojoHandleSignals satisfiable) {
     satisfied_signals = satisfied;
     satisfiable_signals = satisfiable;
   }
 
-  bool equals(const WaitFlagsState& other) const {
+  bool equals(const HandleSignalsState& other) const {
     return satisfied_signals == other.satisfied_signals &&
            satisfiable_signals == other.satisfiable_signals;
   }
 
   bool satisfies(MojoHandleSignals signals) const {
     return !!(satisfied_signals & signals);
   }
 
   bool can_satisfy(MojoHandleSignals signals) const {
     return !!(satisfiable_signals & signals);
   }
 
   // (Copy and assignment allowed.)
 };
-COMPILE_ASSERT(sizeof(WaitFlagsState) == sizeof(MojoWaitFlagsState),
-               WaitFlagsState_should_add_no_overhead);
+COMPILE_ASSERT(sizeof(HandleSignalsState) == sizeof(MojoHandleSignalsState),
+               HandleSignalsState_should_add_no_overhead);
 
 }  // namespace system
 }  // namespace mojo
 
-#endif  // MOJO_SYSTEM_WAIT_FLAGS_STATE_H_
+#endif  // MOJO_SYSTEM_HANDLE_SIGNALS_STATE_H_