frames.h/cc cleanup

BUG=None
R=jkummerow@chromium.org, loislo@chromium.org

Review URL: https://codereview.chromium.org/14650002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/frames.cc

@@ -168,7 +168,6 @@ void StackFrameIterator::Reset() {
         reinterpret_cast<Address*>(StandardFrame::ComputePCAddress(fp_)));
     type = StackFrame::ComputeType(isolate(), &state);
   }
-  if (SingletonFor(type) == NULL) return;
   frame_ = SingletonFor(type, &state);
 }
 

src/frames.h

@@ -969,9 +969,11 @@ typedef JavaScriptFrameIteratorTemp<SafeStackFrameIterator>
 
 class SafeStackTraceFrameIterator: public SafeJavaScriptFrameIterator {
  public:
-  explicit SafeStackTraceFrameIterator(Isolate* isolate,
-                                       Address fp, Address sp,
-                                       Address low_bound, Address high_bound);
+  SafeStackTraceFrameIterator(Isolate* isolate,
+                              Address fp,
+                              Address sp,
+                              Address low_bound,
+                              Address high_bound);
   void Advance();
 };