[debugger] Simplify deletion of DeoptimizedFrameInfo.

R=yangguo@chromium.org,jarin@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2112443002
Cr-Commit-Position: refs/heads/master@{#37377}

src/debug/debug-frames.cc

@@ -31,15 +31,13 @@ FrameInspector::FrameInspector(JavaScriptFrame* frame,
   }
 }
 
-
 FrameInspector::~FrameInspector() {
   // Get rid of the calculated deoptimized frame if any.
-  if (deoptimized_frame_ != NULL) {
-    Deoptimizer::DeleteDebuggerInspectableFrame(deoptimized_frame_, isolate_);
+  if (deoptimized_frame_ != nullptr) {
+    delete deoptimized_frame_;
   }
 }
 
-
 int FrameInspector::GetParametersCount() {
   return is_optimized_ ? deoptimized_frame_->parameters_count()
                        : frame_->ComputeParametersCount();

src/deoptimizer.cc

@@ -159,13 +159,6 @@ DeoptimizedFrameInfo* Deoptimizer::DebuggerInspectableFrame(
   return info;
 }
 
-
-void Deoptimizer::DeleteDebuggerInspectableFrame(DeoptimizedFrameInfo* info,
-                                                 Isolate* isolate) {
-  delete info;
-}
-
-
 void Deoptimizer::GenerateDeoptimizationEntries(MacroAssembler* masm,
                                                 int count,
                                                 BailoutType type) {
@@ -173,7 +166,6 @@ void Deoptimizer::GenerateDeoptimizationEntries(MacroAssembler* masm,
   generator.Generate();
 }
 
-
 void Deoptimizer::VisitAllOptimizedFunctionsForContext(
     Context* context, OptimizedFunctionVisitor* visitor) {
   DisallowHeapAllocation no_allocation;

src/deoptimizer.h

@@ -493,8 +493,6 @@ class Deoptimizer : public Malloced {
   static DeoptimizedFrameInfo* DebuggerInspectableFrame(JavaScriptFrame* frame,
                                                         int jsframe_index,
                                                         Isolate* isolate);
-  static void DeleteDebuggerInspectableFrame(DeoptimizedFrameInfo* info,
-                                             Isolate* isolate);
 
   // Makes sure that there is enough room in the relocation
   // information of a code object to perform lazy deoptimization