Rename variableLemma and variableType to clarify that they refer to the loop variable.

Addresses comment from https://dart-review.googlesource.com/c/sdk/+/61780.

Change-Id: I1e697030f44184b33cf67263118791592a3c3ba1
Reviewed-on: https://dart-review.googlesource.com/61900
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Paul Berry <paulberry@google.com>
diff --git a/pkg/analyzer/lib/src/fasta/resolution_storer.dart b/pkg/analyzer/lib/src/fasta/resolution_storer.dart
index 65e968d..e270b42 100644
--- a/pkg/analyzer/lib/src/fasta/resolution_storer.dart
+++ b/pkg/analyzer/lib/src/fasta/resolution_storer.dart
@@ -249,14 +249,15 @@
       void iterator,
       Token rightParenthesis,
       void body,
-      covariant VariableDeclarationLemma variableLemma,
-      DartType variableType,
+      covariant VariableDeclarationLemma loopVariableLemma,
+      DartType loopVariableType,
       Location writeLocation,
       DartType writeType,
       Declaration writeVariable,
       Reference writeTarget) {
-    if (variableLemma != null) {
-      _store(variableLemma.fileOffset as Location, inferredType: variableType);
+    if (loopVariableLemma != null) {
+      _store(loopVariableLemma.fileOffset as Location,
+          inferredType: loopVariableType);
     } else {
       if (writeVariable != null) {
         _store(writeLocation,
diff --git a/pkg/front_end/lib/src/fasta/kernel/factory.dart b/pkg/front_end/lib/src/fasta/kernel/factory.dart
index 52255d7..9d3bfb2 100644
--- a/pkg/front_end/lib/src/fasta/kernel/factory.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/factory.dart
@@ -138,8 +138,8 @@
       Expression iterator,
       Token rightParenthesis,
       Statement body,
-      covariant Object variableLemma,
-      DartType variableType,
+      covariant Object loopVariableLemma,
+      DartType loopVariableType,
       int writeOffset,
       DartType writeVariableType,
       int writeVariableDeclarationOffset,
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_factory.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_factory.dart
index f74b1f7..4e13277 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_factory.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_factory.dart
@@ -204,8 +204,8 @@
       Expression iterator,
       Token rightParenthesis,
       Statement body,
-      covariant Object variableLemma,
-      DartType variableType,
+      covariant Object loopVariableLemma,
+      DartType loopVariableType,
       int writeOffset,
       DartType writeVariableType,
       int writeVariableDeclarationOffset,
diff --git a/pkg/front_end/lib/src/fasta/kernel/toplevel_inference_factory.dart b/pkg/front_end/lib/src/fasta/kernel/toplevel_inference_factory.dart
index 55bc689..5a0b1c4 100644
--- a/pkg/front_end/lib/src/fasta/kernel/toplevel_inference_factory.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/toplevel_inference_factory.dart
@@ -163,8 +163,8 @@
       void iterator,
       Token rightParenthesis,
       void body,
-      covariant void variableLemma,
-      DartType variableType,
+      covariant void loopVariableLemma,
+      DartType loopVariableType,
       int writeOffset,
       DartType writeVariableType,
       int writeVariableDeclarationOffset,
diff --git a/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart b/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart
index 250746e..5f65703 100644
--- a/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart
+++ b/pkg/front_end/lib/src/fasta/type_inference/type_inference_listener.dart
@@ -148,8 +148,8 @@
       void iterator,
       Token rightParenthesis,
       void body,
-      covariant Object variableLemma,
-      DartType variableType,
+      covariant Object loopVariableLemma,
+      DartType loopVariableType,
       Location writeLocation,
       DartType writeVariableType,
       Declaration writeVariable,
@@ -565,8 +565,8 @@
       void iterator,
       Token rightParenthesis,
       void body,
-      covariant void variableLemma,
-      DartType variableType,
+      covariant void loopVariableLemma,
+      DartType loopVariableType,
       writeLocation,
       DartType writeVariableType,
       writeVariable,