Remove obsolete aggregating and non-working producers heap profilers.

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index fa3cb60bda53771011e45478eef73b316b5935b8..c623d433bb33a8bb534cb763e234c5c54daec3ed 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -69,7 +69,6 @@ class InlineRuntimeFunctionsTable;
 class NoAllocationStringAllocator;
 class PcToCodeCache;
 class PreallocatedMemoryThread;
-class ProducerHeapProfile;
 class RegExpStack;
 class SaveContext;
 class UnicodeCache;
@@ -907,12 +906,6 @@ class Isolate {
 
   inline bool DebuggerHasBreakPoints();
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
-  ProducerHeapProfile* producer_heap_profile() {
-    return producer_heap_profile_;
-  }
-#endif
-
 #ifdef DEBUG
   HistogramInfo* heap_histograms() { return heap_histograms_; }
 
@@ -1172,10 +1165,6 @@ class Isolate {
   Debug* debug_;
 #endif
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
-  ProducerHeapProfile* producer_heap_profile_;
-#endif
-
 #define GLOBAL_BACKING_STORE(type, name, initialvalue)                         \
   type name##_;
   ISOLATE_INIT_LIST(GLOBAL_BACKING_STORE)