Add the ability to clear the shader disk cache.

content/public/browser/shader_disk_cache.cc

Index: content/public/browser/shader_disk_cache.cc
diff --git a/content/public/browser/shader_disk_cache.cc b/content/public/browser/shader_disk_cache.cc
new file mode 100644
index 0000000000000000000000000000000000000000..21f06c7003cca82dbebcf8bd2e4185f2a2328bc4
--- /dev/null
+++ b/content/public/browser/shader_disk_cache.cc
@@ -0,0 +1,16 @@
+// Copyright 2013 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 "content/public/browser/shader_disk_cache.h"
+
+#include "content/browser/gpu/shader_disk_cache_impl.h"
+
+namespace content {
+
+ShaderCacheFactory* ShaderCacheFactory::GetInstance() {
+  return ShaderCacheFactoryImpl::GetInstance();
+}
+
+}  // namespace content

[jonathan.backer, 2013/03/20 18:39:05]

Doesn't this violate layering (public pulling from non-public)?  I think that
you can just define this in shader_disk_cache_impl.cc. No?

[dsinclair, 2013/03/21 17:46:59]

Moved.

Component build still builds with this here but I haven't been able to run yet
as my tree seems to be broken.

+