Fix observatory tests broken by running dartfmt. Temporarily reverted formatting for evaluate_activ…

runtime/observatory/tests/observatory_ui/mocks/objects/sample_profile.dart

Index: runtime/observatory/tests/observatory_ui/mocks/objects/sample_profile.dart
diff --git a/runtime/observatory/tests/observatory_ui/mocks/objects/sample_profile.dart b/runtime/observatory/tests/observatory_ui/mocks/objects/sample_profile.dart
index 843fd03e28f63b8ad0c019b0352d17539267c744..9dd386e7d985ea42e8b991fede2fdca640a30d71 100644
--- a/runtime/observatory/tests/observatory_ui/mocks/objects/sample_profile.dart
+++ b/runtime/observatory/tests/observatory_ui/mocks/objects/sample_profile.dart
@@ -26,6 +26,7 @@ class SampleProfileMock implements M.SampleProfile {
     }
     return null;
   }
+
   M.CodeCallTree loadCodeTree(M.ProfileTreeDirection direction) {
     if (_loadCodeTree != null) {
       return _loadCodeTree(direction);
@@ -33,11 +34,15 @@ class SampleProfileMock implements M.SampleProfile {
     return null;
   }
 
-  SampleProfileMock({this.sampleCount: 0, this.stackDepth: 0,
-      this.sampleRate: 1.0, this.timeSpan: 1.0,
-      this.codes: const [], this.functions: const [],
+  SampleProfileMock(
+      {this.sampleCount: 0,
+      this.stackDepth: 0,
+      this.sampleRate: 1.0,
+      this.timeSpan: 1.0,
+      this.codes: const [],
+      this.functions: const [],
       SampleProfileMockLoadFunctionTreeCallback loadFunctionTree,
       SampleProfileMockLoadCodeTreeCallback loadCodeTree})
-    : _loadFunctionTree = loadFunctionTree,
-      _loadCodeTree = loadCodeTree;
+      : _loadFunctionTree = loadFunctionTree,
+        _loadCodeTree = loadCodeTree;
 }