Remove signature classes from the VM.

runtime/vm/parser_test.cc

Index: runtime/vm/parser_test.cc
diff --git a/runtime/vm/parser_test.cc b/runtime/vm/parser_test.cc
index e7450b7d2abb3ef7cc4b7a781598c9563fb25a39..a5e6f2e89f5bb3ad3ee5e78ba0f8f8e1baefadfc 100644
--- a/runtime/vm/parser_test.cc
+++ b/runtime/vm/parser_test.cc
@@ -270,7 +270,7 @@ TEST_CASE(Parser_AllocateVariables_CapturedVar) {
       "   name=:current_context_var\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -309,7 +309,7 @@ TEST_CASE(Parser_AllocateVariables_NestedCapturedVar) {
       "   name=:current_context_var\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -325,7 +325,7 @@ TEST_CASE(Parser_AllocateVariables_NestedCapturedVar) {
       " 3 StackVar      scope=2   begin=18  end=38  name=c\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -368,7 +368,7 @@ TEST_CASE(Parser_AllocateVariables_TwoChains) {
       "   name=:current_context_var\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -384,7 +384,7 @@ TEST_CASE(Parser_AllocateVariables_TwoChains) {
       " 3 StackVar      scope=2   begin=30  end=52  name=bb\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -397,7 +397,7 @@ TEST_CASE(Parser_AllocateVariables_TwoChains) {
       " 2 StackVar      scope=2   begin=18  end=62  name=aa\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -450,7 +450,7 @@ TEST_CASE(Parser_AllocateVariables_Issue7681) {
       "   name=:current_context_var\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -495,7 +495,7 @@ TEST_CASE(Parser_AllocateVariables_CaptureLoopVar) {
       "   name=:current_context_var\n"
 
       // Closure call saves current context.
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -536,7 +536,7 @@ TEST_CASE(Parser_AllocateVariables_MiddleChain) {
       " 0 ContextVar    level=0   begin=50  end=62  name=x\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"
@@ -551,7 +551,7 @@ TEST_CASE(Parser_AllocateVariables_MiddleChain) {
       " 4 ContextVar    level=1   begin=22  end=47  name=i\n"
       " 5 StackVar      scope=4   begin=32  end=47  name=d\n"
 
-      "_FunctionImpl.call\n"
+      "_Closure.call\n"
       " 0 StackVar      scope=1   begin=0   end=4   name=this\n"
       " 1 CurrentCtx    scope=0   begin=0   end=0"
       "   name=:current_context_var\n"