Remove --prof-auto flag

There is already --prof-lazy flag which should be enough.

BUG=None
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/20482003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15909 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/flag-definitions.h

@@ -744,11 +744,9 @@ DEFINE_bool(log_snapshot_positions, false,
 DEFINE_bool(log_suspect, false, "Log suspect operations.")
 DEFINE_bool(prof, false,
             "Log statistical profiling information (implies --log-code).")
-DEFINE_bool(prof_auto, true,
-            "Used with --prof, starts profiling automatically")
 DEFINE_bool(prof_lazy, false,
             "Used with --prof, only does sampling and logging"
-            " when profiler is active (implies --noprof_auto).")
+            " when profiler is active.")
 DEFINE_bool(prof_browser_mode, true,
             "Used with --prof, turns on browser-compatible mode for profiling.")
 DEFINE_bool(log_regexp, false, "Log regular expression execution.")

src/log-utils.cc

@@ -66,10 +66,9 @@ void Log::Initialize(const char* log_file_name) {
   // --prof implies --log-code.
   if (FLAG_prof) FLAG_log_code = true;
 
-  // --prof_lazy controls --log-code, implies --noprof_auto.
+  // --prof_lazy controls --log-code.
   if (FLAG_prof_lazy) {
     FLAG_log_code = false;
-    FLAG_prof_auto = false;
   }
 
   // If we're logging anything, we need to open the log file.

src/log.cc

@@ -1998,10 +1998,9 @@ bool Logger::SetUp(Isolate* isolate) {
     FLAG_log_snapshot_positions = true;
   }
 
-  // --prof_lazy controls --log-code, implies --noprof_auto.
+  // --prof_lazy controls --log-code.
   if (FLAG_prof_lazy) {
     FLAG_log_code = false;
-    FLAG_prof_auto = false;
   }
 
   SmartArrayPointer<const char> log_file_name =
@@ -2020,12 +2019,10 @@ bool Logger::SetUp(Isolate* isolate) {
 
   if (FLAG_prof) {
     profiler_ = new Profiler(isolate);
-    if (!FLAG_prof_auto) {
+    if (FLAG_prof_lazy) {
       profiler_->pause();
     } else {
       logging_nesting_ = 1;
-    }
-    if (!FLAG_prof_lazy) {
       profiler_->Engage();
     }
   }

test/cctest/test-log.cc

@@ -60,7 +60,6 @@ class ScopedLoggerInitializer {
       : saved_log_(i::FLAG_log),
         saved_prof_lazy_(i::FLAG_prof_lazy),
         saved_prof_(i::FLAG_prof),
-        saved_prof_auto_(i::FLAG_prof_auto),
         temp_file_(NULL),
         // Need to run this prior to creating the scope.
         trick_to_run_init_flags_(init_flags_(prof_lazy)),
@@ -76,7 +75,6 @@ class ScopedLoggerInitializer {
     if (temp_file_ != NULL) fclose(temp_file_);
     i::FLAG_prof_lazy = saved_prof_lazy_;
     i::FLAG_prof = saved_prof_;
-    i::FLAG_prof_auto = saved_prof_auto_;
     i::FLAG_log = saved_log_;
   }
 
@@ -97,7 +95,6 @@ class ScopedLoggerInitializer {
     i::FLAG_log = true;
     i::FLAG_prof = true;
     i::FLAG_prof_lazy = prof_lazy;
-    i::FLAG_prof_auto = false;
     i::FLAG_logfile = i::Log::kLogToTemporaryFile;
     return prof_lazy;
   }
@@ -105,7 +102,6 @@ class ScopedLoggerInitializer {
   const bool saved_log_;
   const bool saved_prof_lazy_;
   const bool saved_prof_;
-  const bool saved_prof_auto_;
   FILE* temp_file_;
   const bool trick_to_run_init_flags_;
   v8::HandleScope scope_;