Add Value FromDict to Telemetry

tools/telemetry/telemetry/value/skip.py

Index: tools/telemetry/telemetry/value/skip.py
diff --git a/tools/telemetry/telemetry/value/skip.py b/tools/telemetry/telemetry/value/skip.py
index 11eb3bc5cb6001a359a76d24177f0ae374bf3f30..997ae2b13b4fbbabc73a5e4fec07def2a31f6dbf 100644
--- a/tools/telemetry/telemetry/value/skip.py
+++ b/tools/telemetry/telemetry/value/skip.py
@@ -39,8 +39,8 @@ class SkipValue(value_module.Value):
   def GetRepresentativeString(self):
     return None
 
-  @classmethod
-  def GetJSONTypeName(cls):
+  @staticmethod
+  def GetJSONTypeName():
     return 'skip'
 
   def AsDict(self):
@@ -48,6 +48,18 @@ class SkipValue(value_module.Value):
     d['reason'] = self._reason
     return d
 
+  @staticmethod
+  def FromDict(value_dict, page_dict):
+    kwargs = value_module.Value.GetConstructorKwArgs(value_dict, page_dict)
+    del kwargs['name']
+    del kwargs['units']
+    important = kwargs.get('important', None)
+    if important != None:
+      del kwargs['important']
+    kwargs['reason'] = value_dict['reason']
+
+    return SkipValue(**kwargs)
+
   @classmethod
   def MergeLikeValuesFromSamePage(cls, values):
     assert False, 'Should not be called.'