Initial support for 'Extract temp' - only when single expression selected

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/RefactoringCoreMessages.properties

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/RefactoringCoreMessages.properties
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/RefactoringCoreMessages.properties b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/RefactoringCoreMessages.properties
index fb6dbf23b82a6dc7bff350f7765f4753e5425823..315a9e22ef59631fbe85024bb4ccc7878fac4598 100644
--- a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/RefactoringCoreMessages.properties
+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/internal/corext/refactoring/RefactoringCoreMessages.properties
@@ -75,6 +75,15 @@ RenameFieldProcessor_name=Rename Field
 # Rename type method
 RenameMethodProcessor_name=Rename Method
 
+#########################################################################################
+# Extract local variable refactoring
+#########################################################################################
+ExtractLocalRefactoring_name=Extract Local Variable
+ExtractLocalRefactoring_select_expression=An expression must be selected to activate this refactoring.
+ExtractLocalRefactoring_checking_preconditions=Checking preconditions...
+ExtractLocalRefactoring_declare_local_variable=Add variable declaration
+ExtractLocalRefactoring_replace=Replace expression with variable reference
+
 
 
 
@@ -330,8 +339,6 @@ InlineTempRefactoring_for_initializers=Cannot inline variables declared in the i
 InlineTempRefactoring_original_pattern=Original element: ''{0}''
 
 #-- extract temp ------------------------------------------------------
-ExtractTempRefactoring_name=Extract Local Variable
-ExtractTempRefactoring_select_expression=An expression must be selected to activate this refactoring.
 ExtractTempRefactoring_explicit_constructor=Code from explicit constructor calls cannot be extracted to a variable.
 ExtractTempRefactoring_expression_pattern=Variable expression: ''{0}''
 ExtractTempRefactoring_expr_in_method_or_initializer=An expression used in a method or in an initializer must be selected to activate this refactoring.
@@ -342,11 +349,8 @@ ExtractTempRefactoring_array_initializer=Operation not applicable to an array in
 ExtractTempRefactoring_another_variable=A variable with name ''{0}'' is already defined in the visible scope.
 ExtractTempRefactoring_assignment=Cannot extract assignment that is part of another expression.
 ExtractTempRefactoring_convention=This name is discouraged. According to convention, names of local variables should start with a lowercase letter.
-ExtractTempRefactoring_checking_preconditions=Checking preconditions...
-ExtractTempRefactoring_declare_local_variable=Add variable declaration
 ExtractTempRefactoring_descriptor_description=Extract local variable ''{0}'' from expression ''{1}''
 ExtractTempRefactoring_descriptor_description_short=Extract local variable ''{0}''
-ExtractTempRefactoring_replace=Replace expression with variable reference
 ExtractTempRefactoring_name_in_new=Cannot extract this name - try selecting the whole instance creation expression.
 ExtractTempRefactoring_name_pattern=Variable name: ''{0}''
 ExtractTempRefactoring_names_in_declarations=An expression has to be selected to activate this refactoring. Names used in declarations are not expressions.