Significantly cleans up the ImageWriter Operation class and subclasses.

chrome/browser/extensions/api/image_writer_private/write_from_file_operation_unittest.cc

Index: chrome/browser/extensions/api/image_writer_private/write_from_file_operation_unittest.cc
diff --git a/chrome/browser/extensions/api/image_writer_private/write_from_file_operation_unittest.cc b/chrome/browser/extensions/api/image_writer_private/write_from_file_operation_unittest.cc
index 223d731e6fddee31cce3b21145d897732ba6f240..1cab40b619728286d8bca543eb77e5a108e14e0b 100644
--- a/chrome/browser/extensions/api/image_writer_private/write_from_file_operation_unittest.cc
+++ b/chrome/browser/extensions/api/image_writer_private/write_from_file_operation_unittest.cc
@@ -40,5 +40,47 @@ TEST_F(ImageWriterFromFileTest, InvalidFile) {
   base::RunLoop().RunUntilIdle();
 }
 
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+TEST_F(ImageWriterFromFileTest, WriteFromFileEndToEnd) {
+  MockOperationManager manager;
+
+  scoped_refptr<WriteFromFileOperation> op =
+      new WriteFromFileOperation(manager.AsWeakPtr(),
+                                 kDummyExtensionId,
+                                 test_image_path_,
+                                 test_device_path_.AsUTF8Unsafe());
+
+  EXPECT_CALL(manager,
+              OnProgress(kDummyExtensionId, image_writer_api::STAGE_WRITE, _))
+      .Times(AnyNumber());
+  EXPECT_CALL(manager,
+              OnProgress(kDummyExtensionId, image_writer_api::STAGE_WRITE, 0))
+      .Times(AtLeast(1));
+  EXPECT_CALL(manager,
+              OnProgress(kDummyExtensionId, image_writer_api::STAGE_WRITE, 100))
+      .Times(AtLeast(1));
+  EXPECT_CALL(
+      manager,
+      OnProgress(kDummyExtensionId, image_writer_api::STAGE_VERIFYWRITE, _))
+      .Times(AnyNumber());
+  EXPECT_CALL(
+      manager,
+      OnProgress(kDummyExtensionId, image_writer_api::STAGE_VERIFYWRITE, 0))
+      .Times(AtLeast(1));
+  EXPECT_CALL(
+      manager,
+      OnProgress(kDummyExtensionId, image_writer_api::STAGE_VERIFYWRITE, 100))
+      .Times(AtLeast(1));
+  EXPECT_CALL(manager, OnComplete(kDummyExtensionId)).Times(1);
+  EXPECT_CALL(manager, OnError(kDummyExtensionId, _, _, _)).Times(0);
+
+  op->Start();
+
+  base::RunLoop().RunUntilIdle();
+
+  EXPECT_TRUE(base::ContentsEqual(test_image_path_, test_device_path_));
+}
+#endif
+
 }  // namespace image_writer
 }  // namespace extensions