[Blob] Blob paging to disk patch.

content/browser/fileapi/chrome_blob_storage_context.cc

Index: content/browser/fileapi/chrome_blob_storage_context.cc
diff --git a/content/browser/fileapi/chrome_blob_storage_context.cc b/content/browser/fileapi/chrome_blob_storage_context.cc
index 5e2c4c83d1defc227d18f01ec8ac48456abdf40f..87492a42b7f98b9c54086e8324bf74516e5cd39e 100644
--- a/content/browser/fileapi/chrome_blob_storage_context.cc
+++ b/content/browser/fileapi/chrome_blob_storage_context.cc
@@ -37,13 +37,14 @@ class BlobHandleImpl : public BlobHandle {
 
 }  // namespace
 
-ChromeBlobStorageContext::ChromeBlobStorageContext() {}
+ChromeBlobStorageContext::ChromeBlobStorageContext(bool disk_enabled)
+    : disk_enabled_(disk_enabled) {}
 
 ChromeBlobStorageContext* ChromeBlobStorageContext::GetFor(
     BrowserContext* context) {
   if (!context->GetUserData(kBlobStorageContextKeyName)) {
     scoped_refptr<ChromeBlobStorageContext> blob =
-        new ChromeBlobStorageContext();
+        new ChromeBlobStorageContext(!context->IsOffTheRecord());
     context->SetUserData(
         kBlobStorageContextKeyName,
         new UserDataAdapter<ChromeBlobStorageContext>(blob.get()));
@@ -61,7 +62,7 @@ ChromeBlobStorageContext* ChromeBlobStorageContext::GetFor(
 
 void ChromeBlobStorageContext::InitializeOnIOThread() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  context_.reset(new BlobStorageContext());
+  context_.reset(new BlobStorageContext(disk_enabled_));
 }
 
 scoped_ptr<BlobHandle> ChromeBlobStorageContext::CreateMemoryBackedBlob(