Update some switchable call stub names and comments.

runtime/vm/stub_code_mips.cc

Index: runtime/vm/stub_code_mips.cc
diff --git a/runtime/vm/stub_code_mips.cc b/runtime/vm/stub_code_mips.cc
index dc5788bb928be504734e2f5c39495f044c027064..e98ce2bebea5264191af297526f2b8666e97c3fc 100644
--- a/runtime/vm/stub_code_mips.cc
+++ b/runtime/vm/stub_code_mips.cc
@@ -2149,9 +2149,10 @@ void StubCode::GenerateOptimizedIdenticalWithNumberCheckStub(
 // Called from megamorphic calls.
 //  T0: receiver
 //  S5: MegamorphicCache (preserved)
-// Result:
+// Passed to target:
+//  CODE_REG: target Code object
 //  S4: arguments descriptor
-void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
+void StubCode::GenerateMegamorphicCallStub(Assembler* assembler) {
   __ NoMonomorphicCheckedEntry();
 
   __ LoadTaggedClassIdMayBeSmi(T0, T0);
@@ -2201,10 +2202,10 @@ void StubCode::GenerateMegamorphicLookupStub(Assembler* assembler) {
 // Called from switchable IC calls.
 //  T0: receiver
 //  S5: ICData (preserved)
-// Result:
+// Passed to target:
 //  CODE_REG: target Code object
 //  S4: arguments descriptor
-void StubCode::GenerateICLookupThroughFunctionStub(Assembler* assembler) {
+void StubCode::GenerateICCallThroughFunctionStub(Assembler* assembler) {
   __ NoMonomorphicCheckedEntry();
 
   Label loop, found, miss;
@@ -2240,7 +2241,7 @@ void StubCode::GenerateICLookupThroughFunctionStub(Assembler* assembler) {
 }
 
 
-void StubCode::GenerateICLookupThroughCodeStub(Assembler* assembler) {
+void StubCode::GenerateICCallThroughCodeStub(Assembler* assembler) {
   __ NoMonomorphicCheckedEntry();
 
   Label loop, found, miss;