Remove built-in component and test targets from GN.

tools/gn/functions.h

Index: tools/gn/functions.h
diff --git a/tools/gn/functions.h b/tools/gn/functions.h
index 45bb4ded282feb72c2adf84ab612acba5089299b..ef93a32a922f2366d917c80abdc0ffc780df8d01 100644
--- a/tools/gn/functions.h
+++ b/tools/gn/functions.h
@@ -80,15 +80,6 @@ Value RunAssert(Scope* scope,
                 const std::vector<Value>& args,
                 Err* err);
 
-extern const char kComponent[];
-extern const char kComponent_HelpShort[];
-extern const char kComponent_Help[];
-Value RunComponent(Scope* scope,
-                   const FunctionCallNode* function,
-                   const std::vector<Value>& args,
-                   BlockNode* block,
-                   Err* err);
-
 extern const char kConfig[];
 extern const char kConfig_HelpShort[];
 extern const char kConfig_Help[];
@@ -289,15 +280,6 @@ Value RunTemplate(Scope* scope,
                   BlockNode* block,
                   Err* err);
 
-extern const char kTest[];
-extern const char kTest_HelpShort[];
-extern const char kTest_Help[];
-Value RunTest(Scope* scope,
-              const FunctionCallNode* function,
-              const std::vector<Value>& args,
-              BlockNode* block,
-              Err* err);
-
 extern const char kTool[];
 extern const char kTool_HelpShort[];
 extern const char kTool_Help[];