base: Add Is* functions to Value class.

chrome/test/automation/tab_proxy.cc

Index: chrome/test/automation/tab_proxy.cc
diff --git a/chrome/test/automation/tab_proxy.cc b/chrome/test/automation/tab_proxy.cc
index 49cd00c2dfe1dfc0f75838065da2b0e6a081d8b5..55fdb7a72d45d69b27bdf308b047dc77fb80ee84 100644
--- a/chrome/test/automation/tab_proxy.cc
+++ b/chrome/test/automation/tab_proxy.cc
@@ -266,7 +266,7 @@ bool TabProxy::ExecuteAndExtractString(const std::wstring& frame_xpath,
   if (!succeeded)
     return false;
 
-  DCHECK(root->IsType(Value::TYPE_LIST));
+  DCHECK(root->IsList());
   Value* value = NULL;
   succeeded = static_cast<ListValue*>(root)->Get(0, &value);
   if (succeeded) {
@@ -291,7 +291,7 @@ bool TabProxy::ExecuteAndExtractBool(const std::wstring& frame_xpath,
     return false;
 
   bool read_value = false;
-  DCHECK(root->IsType(Value::TYPE_LIST));
+  DCHECK(root->IsList());
   Value* value = NULL;
   succeeded = static_cast<ListValue*>(root)->Get(0, &value);
   if (succeeded) {
@@ -314,7 +314,7 @@ bool TabProxy::ExecuteAndExtractInt(const std::wstring& frame_xpath,
     return false;
 
   int read_value = 0;
-  DCHECK(root->IsType(Value::TYPE_LIST));
+  DCHECK(root->IsList());
   Value* value = NULL;
   succeeded = static_cast<ListValue*>(root)->Get(0, &value);
   if (succeeded) {