Revert "Fix observatory tests broken by running dartfmt."

runtime/bin/platform_patch.dart

Index: runtime/bin/platform_patch.dart
diff --git a/runtime/bin/platform_patch.dart b/runtime/bin/platform_patch.dart
index 70b68feabbf5a6cea05862950aec58bd9d7ab0f8..c4b348114e2a9a1fd3058026c131ed5e5a1c935f 100644
--- a/runtime/bin/platform_patch.dart
+++ b/runtime/bin/platform_patch.dart
@@ -2,32 +2,30 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-@patch
-class _Platform {
-  @patch
-  static int _numberOfProcessors() native "Platform_NumberOfProcessors";
-  @patch
-  static String _pathSeparator() native "Platform_PathSeparator";
-  @patch
-  static String _operatingSystem() native "Platform_OperatingSystem";
-  @patch
-  static _localHostname() native "Platform_LocalHostname";
-  @patch
-  static _executable() native "Platform_ExecutableName";
-  @patch
-  static _resolvedExecutable() native "Platform_ResolvedExecutableName";
-  @patch
-  static _environment() native "Platform_Environment";
-  @patch
-  static List<String> _executableArguments()
+@patch class _Platform {
+  @patch static int _numberOfProcessors()
+      native "Platform_NumberOfProcessors";
+  @patch static String _pathSeparator()
+      native "Platform_PathSeparator";
+  @patch static String _operatingSystem()
+      native "Platform_OperatingSystem";
+  @patch static _localHostname()
+      native "Platform_LocalHostname";
+  @patch static _executable()
+      native "Platform_ExecutableName";
+  @patch static _resolvedExecutable()
+      native "Platform_ResolvedExecutableName";
+  @patch static _environment()
+      native "Platform_Environment";
+  @patch static List<String> _executableArguments()
       native "Platform_ExecutableArguments";
-  @patch
-  static String _version() native "Platform_GetVersion";
+  @patch static String _version()
+      native "Platform_GetVersion";
 
-  @patch
-  static String _packageRoot() => VMLibraryHooks.packageRootString;
-  @patch
-  static String _packageConfig() => VMLibraryHooks.packageConfigString;
+  @patch static String _packageRoot()
+      => VMLibraryHooks.packageRootString;
+  @patch static String _packageConfig()
+      => VMLibraryHooks.packageConfigString;
 
   // This script singleton is written to by the embedder if applicable.
   static void set _nativeScript(String path) {