Add the ability to clear the shader disk cache.

content/browser/storage_partition_impl.h

Index: content/browser/storage_partition_impl.h
diff --git a/content/browser/storage_partition_impl.h b/content/browser/storage_partition_impl.h
index 07cea990e9b3d6e73d35d6aa601ea9d96dbbf753..91a0068b9e70bad2d3abe006e1341058098a146b 100644
--- a/content/browser/storage_partition_impl.h
+++ b/content/browser/storage_partition_impl.h
@@ -34,6 +34,11 @@ class StoragePartitionImpl : public StoragePartition {
       const GURL& storage_origin,
       net::URLRequestContextGetter* request_context_getter) OVERRIDE;
   virtual void AsyncClearData(uint32 storage_mask) OVERRIDE;
+  virtual void AsyncClearDataBetween(
+      uint32 storage_mask,
+      const base::Time& begin,
+      const base::Time& end,
+      const base::Closure& callback) OVERRIDE;
 
  private:
   friend class StoragePartitionImplMap;
@@ -49,6 +54,7 @@ class StoragePartitionImpl : public StoragePartition {
                                       const base::FilePath& profile_path);
 
   StoragePartitionImpl(
+      const base::FilePath& context_path,
       const base::FilePath& partition_path,
       quota::QuotaManager* quota_manager,
       ChromeAppCacheService* appcache_service,
@@ -73,6 +79,7 @@ class StoragePartitionImpl : public StoragePartition {
   void SetMediaURLRequestContext(
       net::URLRequestContextGetter* media_url_request_context);
 
+  base::FilePath context_path_;
   base::FilePath partition_path_;
   scoped_refptr<net::URLRequestContextGetter> url_request_context_;
   scoped_refptr<net::URLRequestContextGetter> media_url_request_context_;