From eee8cf2ca4a672e682d28a81af736fc34b48f13f Mon Sep 17 00:00:00 2001
From: "maruel@chromium.org"
 <maruel@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Thu, 5 Nov 2009 21:49:48 +0000
Subject: Remove unused class (classfactory) from common project.

BUG=None
TEST=None

Patch contributed by thiago.farina@gmail.com

Review: http://codereview.chromium.org/343079

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31133 0039d316-1c4b-4281-b951-d872f2087c98
---
 chrome/chrome.gyp             |  3 --
 chrome/common/classfactory.cc | 54 ---------------------------------
 chrome/common/classfactory.h  | 70 -------------------------------------------
 3 files changed, 127 deletions(-)
 delete mode 100644 chrome/common/classfactory.cc
 delete mode 100644 chrome/common/classfactory.h

diff --git a/chrome/chrome.gyp b/chrome/chrome.gyp
index aa8d6d1..7860605 100755
--- a/chrome/chrome.gyp
+++ b/chrome/chrome.gyp
@@ -597,8 +597,6 @@
         'common/chrome_plugin_lib.h',
         'common/chrome_plugin_util.cc',
         'common/chrome_plugin_util.h',
-        'common/classfactory.cc',
-        'common/classfactory.h',
         'common/common_glue.cc',
         'common/common_param_traits.cc',
         'common/common_param_traits.h',
@@ -760,7 +758,6 @@
           ],
         }, { # else: OS != "win"
           'sources!': [
-            'common/classfactory.cc',
             'common/temp_scaffolding_stubs.h',
           ],
         }],
diff --git a/chrome/common/classfactory.cc b/chrome/common/classfactory.cc
deleted file mode 100644
index e03a0d7..0000000
--- a/chrome/common/classfactory.cc
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "classfactory.h"
-
-
-GenericClassFactory::GenericClassFactory() :
-  reference_count_(1)
-{
-  InterlockedIncrement(&object_count_);
-}
-
-
-GenericClassFactory::~GenericClassFactory() {
-  InterlockedDecrement(&object_count_);
-}
-
-
-LONG GenericClassFactory::object_count_ = 0;
-
-
-STDMETHODIMP GenericClassFactory::QueryInterface(REFIID riid,
-                                                 LPVOID* ppobject) {
-  *ppobject = NULL;
-
-  if (IsEqualIID(riid, IID_IUnknown) ||
-      IsEqualIID(riid, IID_IClassFactory))
-    *ppobject = static_cast<IClassFactory*>(this);
-  else
-    return E_NOINTERFACE;
-
-  this->AddRef();
-  return S_OK;
-}
-
-
-STDMETHODIMP_(ULONG) GenericClassFactory::AddRef() {
-  return InterlockedIncrement(&reference_count_);
-}
-
-
-STDMETHODIMP_(ULONG) GenericClassFactory::Release() {
-  if(0 == InterlockedDecrement(&reference_count_)) {
-    delete this;
-    return 0;
-  }
-  return reference_count_;
-}
-
-
-STDMETHODIMP GenericClassFactory::LockServer(BOOL) {
-  return E_NOTIMPL;
-}
diff --git a/chrome/common/classfactory.h b/chrome/common/classfactory.h
deleted file mode 100644
index df1ff74..0000000
--- a/chrome/common/classfactory.h
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// ClassFactory<class>
-// is a simple class factory object for the parameterized class.
-//
-#ifndef CHROME_COMMON_CLASSFACTORY_H_
-#define CHROME_COMMON_CLASSFACTORY_H_
-
-#include <unknwn.h>
-
-// GenericClassFactory
-// provides the basic COM plumbing to implement IClassFactory, and
-// maintains a static count on the number of these objects in existence.
-// It remains for subclasses to implement CreateInstance.
-class GenericClassFactory : public IClassFactory {
- public:
-  GenericClassFactory();
-  ~GenericClassFactory();
-
-  // IUnknown methods
-  STDMETHOD(QueryInterface)(REFIID iid, LPVOID* ppvObject);
-  STDMETHOD_(ULONG, AddRef)();
-  STDMETHOD_(ULONG, Release)();
-
-  // IClassFactory methods
-  STDMETHOD(CreateInstance)(LPUNKNOWN pUnkOuter, REFIID riid,
-                            LPVOID* ppvObject) = 0;
-  STDMETHOD(LockServer)(BOOL fLock);
-
-  // generally handy for DllUnloadNow -- count of existing descendant objects
-  static LONG GetObjectCount() { return object_count_; }
-
- protected:
-  LONG reference_count_;      // mind the reference counting for this object
-  static LONG object_count_;  // count of all these objects
-};
-
-
-// OneClassFactory<T>
-// Knows how to be a factory for T's
-template <class T>
-class OneClassFactory : public GenericClassFactory {
- public:
-  // IClassFactory methods
-  STDMETHOD(CreateInstance)(LPUNKNOWN pUnkOuter, REFIID riid, void** ppvObject);
-};
-
-
-template <class T>
-STDMETHODIMP OneClassFactory<T>::CreateInstance(LPUNKNOWN pUnkOuter,
-                                                REFIID riid, void** result) {
-  *result = NULL;
-
-  if (pUnkOuter != NULL)
-    return CLASS_E_NOAGGREGATION;
-
-  T* const obj = new T();
-  if (!obj)
-    return E_OUTOFMEMORY;
-
-  obj->AddRef();
-  HRESULT const hr = obj->QueryInterface(riid, result);
-  obj->Release();
-
-  return hr;
-}
-
-#endif  // CHROME_COMMON_CLASSFACTORY_H_
-- 
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