base: Add Is* functions to Value class.

chrome/test/webdriver/webdriver_session.cc

Index: chrome/test/webdriver/webdriver_session.cc
diff --git a/chrome/test/webdriver/webdriver_session.cc b/chrome/test/webdriver/webdriver_session.cc
index efd7b1ef6e6d651550b9e9430c5937a893250ee3..4f6a6972a0a832ace78a8e32b0349e7786539ebc 100644
--- a/chrome/test/webdriver/webdriver_session.cc
+++ b/chrome/test/webdriver/webdriver_session.cc
@@ -1137,7 +1137,7 @@ Error* Session::SwitchToFrameWithJavaScriptLocatedFrame(
     virtual ~SwitchFrameValueParser() { }
 
     virtual bool Parse(base::Value* value) const OVERRIDE {
-      if (value->IsType(Value::TYPE_NULL)) {
+      if (value->IsNull()) {
         *found_frame_ = false;
         return true;
       }
@@ -1218,7 +1218,7 @@ Error* Session::ExecuteFindElementScriptAndParse(
     virtual ~FindElementsParser() { }
 
     virtual bool Parse(base::Value* value) const OVERRIDE {
-      if (!value->IsType(Value::TYPE_LIST))
+      if (!value->IsList())
         return false;
       ListValue* list = static_cast<ListValue*>(value);
       for (size_t i = 0; i < list->GetSize(); ++i) {
@@ -1244,7 +1244,7 @@ Error* Session::ExecuteFindElementScriptAndParse(
     virtual ~FindElementParser() { }
 
     virtual bool Parse(base::Value* value) const OVERRIDE {
-      if (value->IsType(Value::TYPE_NULL))
+      if (value->IsNull())
         return true;
       ElementId element;
       bool set = SetFromValue(value, &element);
@@ -1292,7 +1292,7 @@ Error* Session::VerifyElementIsClickable(
     virtual ~IsElementClickableParser() { }
 
     virtual bool Parse(base::Value* value) const OVERRIDE {
-      if (!value->IsType(Value::TYPE_DICTIONARY))
+      if (!value->IsDictionary())
         return false;
       DictionaryValue* dict = static_cast<DictionaryValue*>(value);
       dict->GetString("message", message_);