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

runtime/vm/debugger_dbc.cc

 // Copyright (c) 2016, 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_DBC)
 
 #include "vm/code_patcher.h"
 #include "vm/cpu.h"
 #include "vm/debugger.h"
 #include "vm/instructions.h"
 #include "vm/stub_code.h"
 
 namespace dart {
 
 #ifndef PRODUCT
 
 RawCode* CodeBreakpoint::OrigStubAddress() const {
   return reinterpret_cast<RawCode*>(static_cast<uintptr_t>(saved_value_));
 }
 
-
 static Instr* CallInstructionFromReturnAddress(uword pc) {
   return reinterpret_cast<Instr*>(pc) - 1;
 }
 
-
 static Instr* FastSmiInstructionFromReturnAddress(uword pc) {
   return reinterpret_cast<Instr*>(pc) - 2;
 }
 
-
 void CodeBreakpoint::PatchCode() {
   ASSERT(!is_enabled_);
   const Code& code = Code::Handle(code_);
   const Instructions& instrs = Instructions::Handle(code.instructions());
   {
     WritableInstructionsScope writable(instrs.PayloadStart(), instrs.Size());
     saved_value_ = *CallInstructionFromReturnAddress(pc_);
     switch (breakpoint_kind_) {
       case RawPcDescriptors::kIcCall:
       case RawPcDescriptors::kUnoptStaticCall: {
@@ skipping 21 matching lines @@
       saved_value_fastsmi_ = *FastSmiInstructionFromReturnAddress(pc_);
       *FastSmiInstructionFromReturnAddress(pc_) =
           Bytecode::Encode(Bytecode::kNop, 0, 0, 0);
     } else {
       saved_value_fastsmi_ = Bytecode::kTrap;
     }
   }
   is_enabled_ = true;
 }
 
-
 void CodeBreakpoint::RestoreCode() {
   ASSERT(is_enabled_);
   const Code& code = Code::Handle(code_);
   const Instructions& instrs = Instructions::Handle(code.instructions());
   {
     WritableInstructionsScope writable(instrs.PayloadStart(), instrs.Size());
     switch (breakpoint_kind_) {
       case RawPcDescriptors::kIcCall:
       case RawPcDescriptors::kUnoptStaticCall:
       case RawPcDescriptors::kRuntimeCall: {
@@ skipping 11 matching lines @@
     }
   }
   is_enabled_ = false;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_DBC