- Remove --coverage_dir flag and old-style coverage service requests.

runtime/vm/object.cc

Index: runtime/vm/object.cc
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 57372ea17018be2dcbda507b92a8945e1247c828..8ac673219da4be8431bb86629bbf539810c54538 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -60,7 +60,6 @@ DEFINE_FLAG(bool, use_lib_cache, true, "Use library name cache");
 DEFINE_FLAG(bool, ignore_patch_signature_mismatch, false,
             "Ignore patch file member signature mismatch.");
 
-DECLARE_FLAG(charp, coverage_dir);
 DECLARE_FLAG(bool, show_invisible_frames);
 DECLARE_FLAG(bool, trace_deoptimization);
 DECLARE_FLAG(bool, trace_deoptimization_verbose);
@@ -5797,10 +5796,6 @@ void Function::SetNumOptionalParameters(intptr_t num_optional_parameters,
 
 
 bool Function::IsOptimizable() const {
-  if (FLAG_coverage_dir != NULL) {
-    // Do not optimize if collecting coverage data.
-    return false;
-  }
   if (is_native()) {
     // Native methods don't need to be optimized.
     return false;