diff --git a/cef3/patch/patch.cfg b/cef3/patch/patch.cfg
index 526bb790c..a2229a76b 100644
--- a/cef3/patch/patch.cfg
+++ b/cef3/patch/patch.cfg
@@ -21,6 +21,16 @@ patches = [
     'name': 'tools_gyp',
     'path': '../tools/gyp/',
   },
+  {
+    # http://code.google.com/p/chromiumembedded/issues/detail?id=642
+    'name': 'renderer_main_642',
+    'path': '../content/renderer/',
+  },
+  {
+    # http://code.google.com/p/chromiumembedded/issues/detail?id=642
+    'name': 'window_impl_642',
+    'path': '../ui/base/win/',
+  },
   {
     # http://code.google.com/p/chromiumembedded/issues/detail?id=364
     'name': 'spi_webcore_364',
diff --git a/cef3/patch/patches/renderer_main_642.patch b/cef3/patch/patches/renderer_main_642.patch
new file mode 100644
index 000000000..16fc4517c
--- /dev/null
+++ b/cef3/patch/patches/renderer_main_642.patch
@@ -0,0 +1,13 @@
+Index: renderer_main.cc
+===================================================================
+--- renderer_main.cc	(revision 144645)
++++ renderer_main.cc	(working copy)
+@@ -246,7 +246,7 @@
+     if (!no_sandbox) {
+       run_loop = platform.EnableSandbox();
+     } else {
+-      LOG(ERROR) << "Running without renderer sandbox";
++      //LOG(ERROR) << "Running without renderer sandbox";
+     }
+ #if defined(OS_POSIX) && !defined(OS_MACOSX)
+     RenderProcessImpl render_process;
diff --git a/cef3/patch/patches/window_impl_642.patch b/cef3/patch/patches/window_impl_642.patch
new file mode 100644
index 000000000..2ed877cfb
--- /dev/null
+++ b/cef3/patch/patches/window_impl_642.patch
@@ -0,0 +1,15 @@
+Index: window_impl.cc
+===================================================================
+--- window_impl.cc	(revision 144645)
++++ window_impl.cc	(working copy)
+@@ -52,8 +52,8 @@
+     for (RegisteredClasses::iterator i = registered_classes_.begin();
+          i != registered_classes_.end(); ++i) {
+       if (!UnregisterClass(MAKEINTATOM(i->atom), i->instance)) {
+-        LOG(ERROR) << "Failed to unregister class " << i->name.c_str()
+-                   << ". Error = " << GetLastError();
++        //LOG(ERROR) << "Failed to unregister class " << i->name.c_str()
++        //           << ". Error = " << GetLastError();
+       }
+     }
+   }