Clear shader disk cache after glProgramBinary failure.

gpu/ipc/host/shader_disk_cache.h

Index: gpu/ipc/host/shader_disk_cache.h
diff --git a/gpu/ipc/host/shader_disk_cache.h b/gpu/ipc/host/shader_disk_cache.h
index 4080737d2fe50b15e7bab117378b64e583c78135..f8d6f5eb07c367789430514efcc27df49392882b 100644
--- a/gpu/ipc/host/shader_disk_cache.h
+++ b/gpu/ipc/host/shader_disk_cache.h
@@ -116,6 +116,13 @@ class ShaderCacheFactory : NON_EXPORTED_BASE(public base::ThreadChecker) {
                    const base::Time& end_time,
                    const base::Closure& callback);
 
+  // Same as ClearByPath, but looks up the cache by |client_id|. The |callback|
+  // will be executed when the clear is complete.
+  void ClearByClientId(int32_t client_id,
+                       const base::Time& begin_time,
+                       const base::Time& end_time,
+                       const base::Closure& callback);
+
   // Retrieve the shader disk cache for the provided |client_id|.
   scoped_refptr<ShaderDiskCache> Get(int32_t client_id);