Allow BlobDataHandles to be copied, and have their UUIDs read, on any thread.

content/browser/fileapi/blob_storage_context_unittest.cc

Index: content/browser/fileapi/blob_storage_context_unittest.cc
diff --git a/content/browser/fileapi/blob_storage_context_unittest.cc b/content/browser/fileapi/blob_storage_context_unittest.cc
index fd588801532f10b9062662e7197ddf2a0b8a3485..05498b50d51e5111456a99a0291836f5cc97f4bb 100644
--- a/content/browser/fileapi/blob_storage_context_unittest.cc
+++ b/content/browser/fileapi/blob_storage_context_unittest.cc
@@ -41,6 +41,7 @@ TEST(BlobStorageContextTest, IncrementDecrementRef) {
   blob_data_handle = context.GetBlobDataFromUUID(kId);
   EXPECT_TRUE(blob_data_handle);
   blob_data_handle.reset();
+  fake_io_message_loop.RunUntilIdle();
 
   // Make sure its still there after inc/dec.
   EXPECT_TRUE(host.IncrementBlobRefCount(kId));
@@ -48,6 +49,7 @@ TEST(BlobStorageContextTest, IncrementDecrementRef) {
   blob_data_handle = context.GetBlobDataFromUUID(kId);
   EXPECT_TRUE(blob_data_handle);
   blob_data_handle.reset();
+  fake_io_message_loop.RunUntilIdle();
 
   // Make sure it goes away in the end.
   EXPECT_TRUE(host.DecrementBlobRefCount(kId));
@@ -82,6 +84,7 @@ TEST(BlobStorageContextTest, BlobDataHandle) {
   // Should disappear after dropping both handles.
   blob_data_handle.reset();
   another_handle.reset();
+  fake_io_message_loop.RunUntilIdle();
   blob_data_handle = context.GetBlobDataFromUUID(kId);
   EXPECT_FALSE(blob_data_handle);
 }
@@ -150,6 +153,7 @@ TEST(BlobStorageContextTest, PublicBlobUrls) {
   ASSERT_TRUE(blob_data_handle.get());
   EXPECT_EQ(kId, blob_data_handle->data()->uuid());
   blob_data_handle.reset();
+  fake_io_message_loop.RunUntilIdle();
 
   // The url registration should keep the blob alive even after
   // explicit references are dropped.
@@ -157,6 +161,7 @@ TEST(BlobStorageContextTest, PublicBlobUrls) {
   blob_data_handle = context.GetBlobDataFromPublicURL(kUrl);
   EXPECT_TRUE(blob_data_handle);
   blob_data_handle.reset();
+  fake_io_message_loop.RunUntilIdle();
 
   // Finally get rid of the url registration and the blob.
   EXPECT_TRUE(host.RevokePublicBlobURL(kUrl));