Fix a bunch of spelling mistakes :\

src/factory.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 111 matching lines @@
 
   // Create a function context.
   static Handle<Context> NewFunctionContext(int length,
                                             Handle<JSFunction> closure);
 
   // Create a 'with' context.
   static Handle<Context> NewWithContext(Handle<Context> previous,
                                         Handle<JSObject> extension,
                                         bool is_catch_context);
 
-  // Return the Symbol maching the passed in string.
+  // Return the Symbol matching the passed in string.
   static Handle<String> SymbolFromString(Handle<String> value);
 
   // Allocate a new struct.  The struct is pretenured (allocated directly in
   // the old generation).
   static Handle<Struct> NewStruct(InstanceType type);
 
   static Handle<AccessorInfo> NewAccessorInfo();
 
   static Handle<Script> NewScript(Handle<String> source);
 
@@ skipping 143 matching lines @@
   };
 
   static Handle<JSFunction> CreateApiFunction(
       Handle<FunctionTemplateInfo> data,
       ApiInstanceType type = JavaScriptObject);
 
   static Handle<JSFunction> InstallMembers(Handle<JSFunction> function);
 
   // Installs interceptors on the instance.  'desc' is a function template,
   // and instance is an object instance created by the function of this
-  // function tempalte.
+  // function template.
   static void ConfigureInstance(Handle<FunctionTemplateInfo> desc,
                                 Handle<JSObject> instance,
                                 bool* pending_exception);
 
 #define ROOT_ACCESSOR(type, name) \
   static Handle<type> name() { return Handle<type>(&Heap::name##_); }
   ROOT_LIST(ROOT_ACCESSOR)
 #undef ROOT_ACCESSOR_ACCESSOR
 
 #define SYMBOL_ACCESSOR(name, str) \
@@ skipping 41 matching lines @@
   // Update the map cache in the global context with (keys, map)
   static Handle<MapCache> AddToMapCache(Handle<Context> context,
                                         Handle<FixedArray> keys,
                                         Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_