Remove the ability to compile without logging and profiling

src/spaces.h

Index: src/spaces.h
diff --git a/src/spaces.h b/src/spaces.h
index 83f6467ad77732830eb76cf21b4b0ea2ee3fa9af..c554a37771b990e3aff3fc46378aaeecf6b3c252 100644
--- a/src/spaces.h
+++ b/src/spaces.h
@@ -1247,7 +1247,6 @@ class PagedSpace : public Space {
 };
 
 
-#if defined(DEBUG) || defined(ENABLE_LOGGING_AND_PROFILING)
 class NumberAndSizeInfo BASE_EMBEDDED {
  public:
   NumberAndSizeInfo() : number_(0), bytes_(0) {}
@@ -1270,9 +1269,7 @@ class NumberAndSizeInfo BASE_EMBEDDED {
 
 
 // HistogramInfo class for recording a single "bar" of a histogram.  This
-// class is used for collecting statistics to print to stdout (when compiled
-// with DEBUG) or to the log file (when compiled with
-// ENABLE_LOGGING_AND_PROFILING).
+// class is used for collecting statistics to print to the log file.
 class HistogramInfo: public NumberAndSizeInfo {
  public:
   HistogramInfo() : NumberAndSizeInfo() {}
@@ -1283,7 +1280,6 @@ class HistogramInfo: public NumberAndSizeInfo {
  private:
   const char* name_;
 };
-#endif
 
 
 // -----------------------------------------------------------------------------
@@ -1606,7 +1602,6 @@ class NewSpace : public Space {
   virtual void Print() { to_space_.Print(); }
 #endif
 
-#if defined(DEBUG) || defined(ENABLE_LOGGING_AND_PROFILING)
   // Iterates the active semispace to collect statistics.
   void CollectStatistics();
   // Reports previously collected statistics of the active semispace.
@@ -1619,7 +1614,6 @@ class NewSpace : public Space {
   // to space during a scavenge GC.
   void RecordAllocation(HeapObject* obj);
   void RecordPromotion(HeapObject* obj);
-#endif
 
   // Return whether the operation succeded.
   bool CommitFromSpaceIfNeeded() {
@@ -1648,10 +1642,8 @@ class NewSpace : public Space {
   AllocationInfo allocation_info_;
   AllocationInfo mc_forwarding_info_;
 
-#if defined(DEBUG) || defined(ENABLE_LOGGING_AND_PROFILING)
   HistogramInfo* allocated_histogram_;
   HistogramInfo* promoted_histogram_;
-#endif
 
   // Implementation of AllocateRaw and MCAllocateRaw.
   MUST_USE_RESULT inline MaybeObject* AllocateRawInternal(