Fix presubmit errors introduced by r5768.

Review URL: http://codereview.chromium.org/4409003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5770 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/assembler-arm.h

@@ -1290,7 +1290,7 @@ class Assembler : public Malloced {
 
 class EnsureSpace BASE_EMBEDDED {
  public:
-  EnsureSpace(Assembler* assembler) {
+  explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };

src/arm/full-codegen-arm.cc

@@ -1766,7 +1766,6 @@ void FullCodeGenerator::VisitCall(Call* expr) {
     int arg_count = args->length();
 
     { PreserveStatementPositionScope pos_scope(masm()->positions_recorder());
-
       VisitForStackValue(fun);
       __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
       __ push(r2);  // Reserved receiver slot.

src/assembler.h

@@ -629,7 +629,7 @@ class PositionsRecorder BASE_EMBEDDED {
 
 class PreserveStatementPositionScope BASE_EMBEDDED {
  public:
-  PreserveStatementPositionScope(PositionsRecorder* positions_recorder)
+  explicit PreserveStatementPositionScope(PositionsRecorder* positions_recorder)
       : positions_recorder_(positions_recorder),
         statement_position_(positions_recorder->current_statement_position()) {}
 

src/ia32/full-codegen-ia32.cc

@@ -2072,7 +2072,8 @@ void FullCodeGenerator::VisitCall(Call* expr) {
     int arg_count = args->length();
     { PreserveStatementPositionScope pos_scope(masm()->positions_recorder());
       VisitForStackValue(fun);
-      __ push(Immediate(Factory::undefined_value()));  // Reserved receiver slot.
+      // Reserved receiver slot.
+      __ push(Immediate(Factory::undefined_value()));
 
       // Push the arguments.
       for (int i = 0; i < arg_count; i++) {

src/x64/full-codegen-x64.cc

@@ -1796,7 +1796,6 @@ void FullCodeGenerator::VisitCall(Call* expr) {
     ZoneList<Expression*>* args = expr->arguments();
     int arg_count = args->length();
     { PreserveStatementPositionScope pos_scope(masm()->positions_recorder());
-
       VisitForStackValue(fun);
       __ PushRoot(Heap::kUndefinedValueRootIndex);  // Reserved receiver slot.