Remove unused methods from RuntimeProfiler

Also removed Logger fields that used to be used for writing compressed logs.

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

Review URL: https://codereview.chromium.org/20768002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15941 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/log.cc

@@ -716,11 +716,6 @@ Logger::Logger(Isolate* isolate)
     jit_logger_(NULL),
     listeners_(5),
     is_initialized_(false),
-    last_address_(NULL),
-    prev_sp_(NULL),
-    prev_function_(NULL),
-    prev_to_(NULL),
-    prev_code_(NULL),
     epoch_(0) {
 }
 

src/log.h

@@ -450,17 +450,6 @@ class Logger {
   // 'true' between SetUp() and TearDown().
   bool is_initialized_;
 
-  // Support for 'incremental addresses' in compressed logs:
-  //  LogMessageBuilder::AppendAddress(Address addr)
-  Address last_address_;
-  //  Logger::TickEvent(...)
-  Address prev_sp_;
-  Address prev_function_;
-  //  Logger::MoveEventInternal(...)
-  Address prev_to_;
-  //  Logger::FunctionCreateEvent(...)
-  Address prev_code_;
-
   int64_t epoch_;
 
   friend class CpuProfiler;

src/runtime-profiler.cc

@@ -408,11 +408,6 @@ void RuntimeProfiler::TearDown() {
 }
 
 
-int RuntimeProfiler::SamplerWindowSize() {
-  return kSamplerWindowSize;
-}
-
-
 // Update the pointers in the sampler window after a GC.
 void RuntimeProfiler::UpdateSamplesAfterScavenge() {
   for (int i = 0; i < kSamplerWindowSize; i++) {

src/runtime-profiler.h

@@ -49,9 +49,6 @@ class RuntimeProfiler {
   void Reset();
   void TearDown();
 
-  Object** SamplerWindowAddress();
-  int SamplerWindowSize();
-
   void NotifyICChanged() { any_ic_changed_ = true; }
 
   // Rate limiting support.