Adds imageWriterPrivate support for Windows

chrome/browser/extensions/api/image_writer_private/test_utils.h

Index: chrome/browser/extensions/api/image_writer_private/test_utils.h
diff --git a/chrome/browser/extensions/api/image_writer_private/test_utils.h b/chrome/browser/extensions/api/image_writer_private/test_utils.h
index a19a48c6446e151cd809652a178b64b4525510e3..9542bbb3b6b30823503ed67adf8077997431dee2 100644
--- a/chrome/browser/extensions/api/image_writer_private/test_utils.h
+++ b/chrome/browser/extensions/api/image_writer_private/test_utils.h
@@ -9,8 +9,10 @@
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
 #include "content/public/test/test_browser_thread_bundle.h"
+#include "content/public/test/test_utils.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -47,17 +49,57 @@ class MockOperationManager : public OperationManager {
                              const std::string& error_message));
 };
 
+class FakeImageWriterClient : public ImageWriterUtilityClient {
+ public:
+  FakeImageWriterClient();
+
+  virtual void Write(const ProgressCallback& progress_callback,
+                     const SuccessCallback& success_callback,
+                     const ErrorCallback& error_callback,
+                     const base::FilePath& source,
+                     const base::FilePath& target) OVERRIDE;
+
+  virtual void Verify(const ProgressCallback& progress_callback,
+                      const SuccessCallback& success_callback,
+                      const ErrorCallback& error_callback,
+                      const base::FilePath& source,
+                      const base::FilePath& target) OVERRIDE;
+
+  virtual void Cancel(const CancelCallback& cancel_callback) OVERRIDE;
+
+  virtual void Shutdown() OVERRIDE;
+
+  void Progress(int64 progress);
+  void Success();
+  void Error(const std::string& message);
+  void Cancel();
+  static scoped_refptr<FakeImageWriterClient> Create();
+
+ private:
+  virtual ~FakeImageWriterClient();
+
+  ProgressCallback progress_callback_;
+  SuccessCallback success_callback_;
+  ErrorCallback error_callback_;
+  CancelCallback cancel_callback_;
+};
+
 // Base class for unit tests that manages creating image and device files.
 class ImageWriterUnitTestBase : public testing::Test {
- public:
+ protected:
   ImageWriterUnitTestBase();
   virtual ~ImageWriterUnitTestBase();
 
- protected:
   virtual void SetUp() OVERRIDE;
 
   virtual void TearDown() OVERRIDE;
 
+  // Verifies that the data in image_path was written to the file at
+  // device_path.  This is different from base::ContentsEqual because the device
+  // may be larger than the image.
+  bool ImageWrittenToDevice(const base::FilePath& image_path,
+                            const base::FilePath& device_path);
+
   // Fills |file| with |length| bytes of |pattern|, overwriting any existing
   // data.
   bool FillFile(const base::FilePath& file,