Misc. cleanup, primarily removing unused locals.

components/crash/app/breakpad_win.cc

 // Copyright 2013 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.
 
 #include "components/crash/app/breakpad_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 #include <tchar.h>
 #include <userenv.h>
@@ skipping 357 matching lines @@
     } else {
       NtTerminateProcessPtr real_terminate_proc =
           reinterpret_cast<NtTerminateProcessPtr>(
               static_cast<char*>(g_real_terminate_process_stub));
       real_terminate_proc(::GetCurrentProcess(), content::RESULT_CODE_KILLED);
     }
   }
   return EXCEPTION_CONTINUE_SEARCH;
 }
 
+#ifndef _WIN64
 static NTSTATUS WINAPI HookNtTerminateProcess(HANDLE ProcessHandle,
                                               NTSTATUS ExitStatus) {
   if (g_breakpad &&
       (ProcessHandle == ::GetCurrentProcess() || ProcessHandle == NULL)) {
     NT_TIB* tib = reinterpret_cast<NT_TIB*>(NtCurrentTeb());
     void* address_on_stack = _AddressOfReturnAddress();
     if (address_on_stack < tib->StackLimit ||
         address_on_stack > tib->StackBase) {
       g_surrogate_exception_record.ExceptionAddress = _ReturnAddress();
       g_surrogate_exception_record.ExceptionCode = DBG_TERMINATE_PROCESS;
@@ skipping 45 matching lines @@
   DWORD dummy = 0;
   CHECK(::VirtualProtect(terminate_process_func_address,
                          5,
                          old_protect,
                          &dummy));
   CHECK(::VirtualProtect(g_real_terminate_process_stub,
                          sidestep::kMaxPreambleStubSize,
                          old_protect,
                          &old_protect));
 }
+#endif
 
 static void InitPipeNameEnvVar(bool is_per_user_install) {
   scoped_ptr<base::Environment> env(base::Environment::Create());
   if (env->HasVar(kPipeNameVar)) {
     // The Breakpad pipe name is already configured: nothing to do.
     return;
   }
 
   // Check whether configuration management controls crash reporting.
   bool crash_reporting_enabled = true;
@@ skipping 235 matching lines @@
 extern "C" void __declspec(dllexport) __cdecl
 UnregisterNonABICompliantCodeRange(void* start) {
   ExceptionHandlerRecord* record =
       reinterpret_cast<ExceptionHandlerRecord*>(start);
 
   CHECK(RtlDeleteFunctionTable(&record->runtime_function));
 }
 #endif
 
 }  // namespace breakpad