Filling in supported platforms for InputElement types.

sdk/lib/html/templates/html/impl/impl_HTMLInputElement.darttemplate

Index: sdk/lib/html/templates/html/impl/impl_HTMLInputElement.darttemplate
diff --git a/sdk/lib/html/templates/html/impl/impl_HTMLInputElement.darttemplate b/sdk/lib/html/templates/html/impl/impl_HTMLInputElement.darttemplate
index a4c4e9a6383271f581b1aadf59ff0dbeacaf9d68..7d5f4daee40401fa22b7b805567bdf8c8d15b5bc 100644
--- a/sdk/lib/html/templates/html/impl/impl_HTMLInputElement.darttemplate
+++ b/sdk/lib/html/templates/html/impl/impl_HTMLInputElement.darttemplate
@@ -251,7 +251,11 @@ abstract class RangeInputElementBase implements InputElementBase {
 /**
  * A date and time (year, month, day, hour, minute, second, fraction of a
  * second) with the time zone set to UTC.
+ *
+ * Use [supported] to check if this is supported on the current platform.
  */
+@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@Experimental()
 abstract class DateTimeInputElement implements RangeInputElementBase {
   factory DateTimeInputElement() => new InputElement(type: 'datetime');
 
@@ -263,11 +267,20 @@ abstract class DateTimeInputElement implements RangeInputElementBase {
 
   /// @domName HTMLInputElement.required
   bool required;
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'datetime')).type == 'datetime';
+  }
 }
 
 /**
  * A date (year, month, day) with no time zone.
+ *
+ * Use [supported] to check if this is supported on the current platform.
  */
+@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@Experimental()
 abstract class DateInputElement implements RangeInputElementBase {
   factory DateInputElement() => new InputElement(type: 'date');
 
@@ -279,11 +292,20 @@ abstract class DateInputElement implements RangeInputElementBase {
 
   /// @domName HTMLInputElement.required
   bool required;
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'date')).type == 'date';
+  }
 }
 
 /**
  * A date consisting of a year and a month with no time zone.
+ *
+ * Use [supported] to check if this is supported on the current platform.
  */
+@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@Experimental()
 abstract class MonthInputElement implements RangeInputElementBase {
   factory MonthInputElement() => new InputElement(type: 'month');
 
@@ -295,11 +317,20 @@ abstract class MonthInputElement implements RangeInputElementBase {
 
   /// @domName HTMLInputElement.required
   bool required;
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'month')).type == 'month';
+  }
 }
 
 /**
  * A date consisting of a week-year number and a week number with no time zone.
+ *
+ * Use [supported] to check if this is supported on the current platform.
  */
+@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@Experimental()
 abstract class WeekInputElement implements RangeInputElementBase {
   factory WeekInputElement() => new InputElement(type: 'week');
 
@@ -311,11 +342,20 @@ abstract class WeekInputElement implements RangeInputElementBase {
 
   /// @domName HTMLInputElement.required
   bool required;
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'week')).type == 'week';
+  }
 }
 
 /**
  * A time (hour, minute, seconds, fractional seconds) with no time zone.
+ *
+ * Use [supported] to check if this is supported on the current platform.
  */
+@SupportedBrowser(SupportedBrowser.CHROME)
+@Experimental()
 abstract class TimeInputElement implements RangeInputElementBase {
   factory TimeInputElement() => new InputElement(type: 'time');
 
@@ -327,12 +367,21 @@ abstract class TimeInputElement implements RangeInputElementBase {
 
   /// @domName HTMLInputElement.required
   bool required;
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'time')).type == 'time';
+  }
 }
 
 /**
  * A date and time (year, month, day, hour, minute, second, fraction of a
  * second) with no time zone.
+ *
+ * Use [supported] to check if this is supported on the current platform.
  */
+@SupportedBrowser(SupportedBrowser.CHROME, '25')
+@Experimental()
 abstract class LocalDateTimeInputElement implements RangeInputElementBase {
   factory LocalDateTimeInputElement() =>
       new InputElement(type: 'datetime-local');
@@ -342,11 +391,20 @@ abstract class LocalDateTimeInputElement implements RangeInputElementBase {
 
   /// @domName HTMLInputElement.required
   bool required;
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'datetime-local')).type == 'datetime-local';
+  }
 }
 
 /**
  * A numeric editor control.
  */
+@SupportedBrowser(SupportedBrowser.CHROME)
+@SupportedBrowser(SupportedBrowser.IE)
+@SupportedBrowser(SupportedBrowser.SAFARI)
+@Experimental()
 abstract class NumberInputElement implements RangeInputElementBase {
   factory NumberInputElement() => new InputElement(type: 'number');
 
@@ -358,14 +416,29 @@ abstract class NumberInputElement implements RangeInputElementBase {
 
   /// @domName HTMLInputElement.required
   bool required;
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'number')).type == 'number';
+  }
 }
 
 /**
  * Similar to [NumberInputElement] but the browser may provide more optimal
  * styling (such as a slider control).
+ *
+ * Use [supported] to check if this is supported on the current platform.
  */
+@SupportedBrowser(SupportedBrowser.CHROME)
+@SupportedBrowser(SupportedBrowser.IE, '10')
+@Experimental()
 abstract class RangeInputElement implements RangeInputElementBase {
   factory RangeInputElement() => new InputElement(type: 'range');
+
+  /// Returns true if this input type is supported on the current platform.
+  static bool get supported() {
+    return (new InputElement(type: 'range')).type == 'range';
+  }
 }
 
 /**