VM: Re-format to use at most one newline between functions

runtime/vm/debugger_x64.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/debugger.h"
 
 #include "vm/assembler.h"
 #include "vm/code_patcher.h"
 #include "vm/cpu.h"
 #include "vm/instructions.h"
 #include "vm/stub_code.h"
 
 namespace dart {
 
 #ifndef PRODUCT
 
 RawCode* CodeBreakpoint::OrigStubAddress() const {
   return saved_value_;
 }
 
-
 void CodeBreakpoint::PatchCode() {
   ASSERT(!is_enabled_);
   Code& stub_target = Code::Handle();
   switch (breakpoint_kind_) {
     case RawPcDescriptors::kIcCall:
     case RawPcDescriptors::kUnoptStaticCall:
       stub_target = StubCode::ICCallBreakpoint_entry()->code();
       break;
     case RawPcDescriptors::kRuntimeCall:
       stub_target = StubCode::RuntimeCallBreakpoint_entry()->code();
       break;
     default:
       UNREACHABLE();
   }
   const Code& code = Code::Handle(code_);
   saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code);
   CodePatcher::PatchPoolPointerCallAt(pc_, code, stub_target);
   is_enabled_ = true;
 }
 
-
 void CodeBreakpoint::RestoreCode() {
   ASSERT(is_enabled_);
   const Code& code = Code::Handle(code_);
   switch (breakpoint_kind_) {
     case RawPcDescriptors::kIcCall:
     case RawPcDescriptors::kUnoptStaticCall:
     case RawPcDescriptors::kRuntimeCall: {
       CodePatcher::PatchPoolPointerCallAt(pc_, code,
                                           Code::Handle(saved_value_));
       break;
     }
     default:
       UNREACHABLE();
   }
   is_enabled_ = false;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64