Remove the ability to compile without logging and profiling

src/platform-linux.cc

Index: src/platform-linux.cc
diff --git a/src/platform-linux.cc b/src/platform-linux.cc
index e158a5fc1b2c86bbef156374c352fcad3e1bd227..ab22a79cd4294a24c310308e8a9ef4fec2413a91 100644
--- a/src/platform-linux.cc
+++ b/src/platform-linux.cc
@@ -466,7 +466,6 @@ PosixMemoryMappedFile::~PosixMemoryMappedFile() {
 
 
 void OS::LogSharedLibraryAddresses() {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   // This function assumes that the layout of the file is as follows:
   // hex_start_addr-hex_end_addr rwxp <unused data> [binary_file_name]
   // If we encounter an unexpected situation we abort scanning further entries.
@@ -523,7 +522,6 @@ void OS::LogSharedLibraryAddresses() {
   }
   free(lib_name);
   fclose(fp);
-#endif
 }
 
 
@@ -531,7 +529,6 @@ static const char kGCFakeMmap[] = "/tmp/__v8_gc__";
 
 
 void OS::SignalCodeMovingGC() {
-#ifdef ENABLE_LOGGING_AND_PROFILING
   // Support for ll_prof.py.
   //
   // The Linux profiler built into the kernel logs all mmap's with
@@ -547,7 +544,6 @@ void OS::SignalCodeMovingGC() {
   ASSERT(addr != MAP_FAILED);
   munmap(addr, size);
   fclose(f);
-#endif
 }
 
 
@@ -842,8 +838,6 @@ Semaphore* OS::CreateSemaphore(int count) {
 }
 
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
-
 #if !defined(__GLIBC__) && (defined(__arm__) || defined(__thumb__))
 // Android runs a fairly new Linux kernel, so signal info is there,
 // but the C library doesn't have the structs defined.
@@ -1131,6 +1125,5 @@ void Sampler::Stop() {
   SetActive(false);
 }
 
-#endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal