Inlining of static functions: applying Florian's CL.

tests/compiler/dart2js/return_type_inferer_test.dart

Index: tests/compiler/dart2js/return_type_inferer_test.dart
===================================================================
--- tests/compiler/dart2js/return_type_inferer_test.dart	(revision 11223)
+++ tests/compiler/dart2js/return_type_inferer_test.dart	(working copy)
@@ -7,53 +7,59 @@
 #import('compiler_helper.dart');
 
 final String TEST_ONE = @"""
-  f(p) => p;
+  f(p) { if (p == null) return p; else return p; }
   main() { f("s"); }
 """;
 
 final String TEST_TWO = @"""
-  f(p) => p;
+  f(p) { if (p == null) return p; else return p; }
   main() { f(1); }
 """;
 
 final String TEST_THREE = @"""
-  f(p) => p;
+  f(p) { if (p == null) return p; else return p; }
   main() { f(1); f(2); }
 """;
 
 final String TEST_FOUR = @"""
-  f(p) => p;
+  f(p) { if (p == null) return p; else return p; }
   main() { f(1.1); }
 """;
 
 final String TEST_FIVE = @"""
-  f(p) => p;
+  f(p) { if (p == null) return p; else return p; }
   main() { f(1); f(2.2); }
 """;
 
 final String TEST_SIX = @"""
-  f(p) => p;
+  f(p) { if (p == null) return p; else return p; }
   main() { f(1.1); f(2); }
 """;
 
 final String TEST_SEVEN = @"""
-  f(p) => p;
+  f(p) { if (p == null) return p; else return p; }
   main() { f(1); f("s"); }
 """;
 
 final String TEST_EIGHT = @"""
-  f(p1, p2) => p1;
+  f(p1, p2) {
+    if (p1 == null) return p1;
+    else return p1;
+  }
   main() { f(1, 2); f(1, "s"); }
 """;
 
 final String TEST_NINE = @"""
-  f(p1, p2) => p1;
+  f(p1, p2) {
+    if (p1 == null) return p1;
+    else return p1;
+  }
   main() { f("s", 2); f(1, "s"); }
 """;
 
 final String TEST_TEN = @"""
-  f(p) => p;
-  g(p) => p(1);
+  f(p) { if (p == null) return p; else return p; }
+  g(p) { if (p == null) return p; else return p; }
   main() { f(1); g(f); }
 """;