Adds imageWriterPrivate support for Windows

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

Index: chrome/browser/extensions/api/image_writer_private/operation_manager_unittest.cc
diff --git a/chrome/browser/extensions/api/image_writer_private/operation_manager_unittest.cc b/chrome/browser/extensions/api/image_writer_private/operation_manager_unittest.cc
index 0d6ba8476e1d055bef5b62ff50c04b22cd9dd6bd..48bf3a33c37033d93b27bc5218842b5fd856a38e 100644
--- a/chrome/browser/extensions/api/image_writer_private/operation_manager_unittest.cc
+++ b/chrome/browser/extensions/api/image_writer_private/operation_manager_unittest.cc
@@ -67,6 +67,12 @@ class ImageWriterOperationManagerTest
     start_error_ = error;
   }
 
+  void CancelCallback(bool success, const std::string& error) {
+    cancelled_ = true;
+    cancel_success_ = true;
+    cancel_error_ = error;
+  }
+
  protected:
   ImageWriterOperationManagerTest()
       : started_(false),
@@ -86,6 +92,10 @@ class ImageWriterOperationManagerTest
   bool start_success_;
   std::string start_error_;
 
+  bool cancelled_;
+  bool cancel_success_;
+  std::string cancel_error_;
+
   TestingProfile test_profile_;
   FakeExtensionSystem* extension_system_;
   FakeEventRouter* event_router_;
@@ -111,6 +121,15 @@ TEST_F(ImageWriterOperationManagerTest, WriteFromFile) {
   EXPECT_TRUE(start_success_);
   EXPECT_EQ("", start_error_);
 
+  manager.CancelWrite(
+      kDummyExtensionId,
+      base::Bind(&ImageWriterOperationManagerTest::CancelCallback,
+                 base::Unretained(this)));
+
+  EXPECT_TRUE(cancelled_);
+  EXPECT_TRUE(cancel_success_);
+  EXPECT_EQ("", cancel_error_);
+
   base::RunLoop().RunUntilIdle();
 }
 
@@ -127,6 +146,15 @@ TEST_F(ImageWriterOperationManagerTest, DestroyPartitions) {
   EXPECT_TRUE(start_success_);
   EXPECT_EQ("", start_error_);
 
+  manager.CancelWrite(
+      kDummyExtensionId,
+      base::Bind(&ImageWriterOperationManagerTest::CancelCallback,
+                 base::Unretained(this)));
+
+  EXPECT_TRUE(cancelled_);
+  EXPECT_TRUE(cancel_success_);
+  EXPECT_EQ("", cancel_error_);
+
   base::RunLoop().RunUntilIdle();
 }