Format all dart dev compiler files

pkg/dev_compiler/tool/input_sdk/lib/html/html_common/metadata.dart

Index: pkg/dev_compiler/tool/input_sdk/lib/html/html_common/metadata.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/metadata.dart b/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/metadata.dart
index 9b0e56da5e68d3c721ee1619ae3bf4890db70bfc..b5542dc3b76acde32f8dfb86ef2c8699e166d296 100644
--- a/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/metadata.dart
+++ b/pkg/dev_compiler/tool/input_sdk/lib/html/html_common/metadata.dart
@@ -20,6 +20,7 @@ class SupportedBrowser {
 
   /// The name of the browser.
   final String browserName;
+
   /// The minimum version of the browser that supports the feature, or null
   /// if supported on all versions.
   final String minimumVersion;
@@ -27,7 +28,6 @@ class SupportedBrowser {
   const SupportedBrowser(this.browserName, [this.minimumVersion]);
 }
 
-
 /**
  * An annotation used to mark an API as being experimental.
  *
@@ -42,7 +42,6 @@ class Experimental {
   const Experimental();
 }
 
-
 /**
  * Annotation that specifies that a member is editable through generate files.
  *
@@ -55,7 +54,6 @@ class DomName {
   const DomName(this.name);
 }
 
-
 /**
  * Metadata that specifies that that member is editable through generated
  * files.
@@ -64,7 +62,6 @@ class DocsEditable {
   const DocsEditable();
 }
 
-
 /**
  * Annotation that indicates that an API is not expected to change but has
  * not undergone enough testing to be considered stable.