Revert of 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 05498b50d51e5111456a99a0291836f5cc97f4bb..fd588801532f10b9062662e7197ddf2a0b8a3485 100644
--- a/content/browser/fileapi/blob_storage_context_unittest.cc
+++ b/content/browser/fileapi/blob_storage_context_unittest.cc
@@ -41,7 +41,6 @@
   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));
@@ -49,7 +48,6 @@
   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));
@@ -84,7 +82,6 @@
   // 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);
 }
@@ -153,7 +150,6 @@
   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.
@@ -161,7 +157,6 @@
   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));