Adds USB writing for OS X.

chrome/common/extensions/image_writer/image_writer_test_util_mac.cc

Index: chrome/common/extensions/image_writer/image_writer_test_util_mac.cc
diff --git a/chrome/common/extensions/image_writer/image_writer_test_util_mac.cc b/chrome/common/extensions/image_writer/image_writer_test_util_mac.cc
new file mode 100644
index 0000000000000000000000000000000000000000..871418e00a534245f0017f533ac3c0fc0976c11d
--- /dev/null
+++ b/chrome/common/extensions/image_writer/image_writer_test_util_mac.cc
@@ -0,0 +1,102 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/extensions/image_writer/image_writer_test_util_mac.h"
+
+namespace extensions {
+namespace image_writer {
+
+// Creates a disk-description dictionary.
+base::ScopedCFTypeRef<CFDictionaryRef> CreateDiskDictionary(
+    const std::string& bsd_name,
+    const std::string& vendor,
+    const std::string& model,
+    int64 capacity,
+    DriveType type) {
+  base::ScopedCFTypeRef<CFMutableDictionaryRef> dict(
+      CFDictionaryCreateMutable(kCFAllocatorDefault,
+                                0,
+                                &kCFTypeDictionaryKeyCallBacks,
+                                &kCFTypeDictionaryValueCallBacks));
+
+  CFDictionaryAddValue(dict,
+                       kDADiskDescriptionMediaBSDNameKey,
+                       base::SysUTF8ToCFStringRef(bsd_name));
+  CFDictionaryAddValue(dict,
+                       kDADiskDescriptionDeviceVendorKey,
+                       base::SysUTF8ToCFStringRef(vendor));
+  CFDictionaryAddValue(dict,
+                       kDADiskDescriptionDeviceModelKey,
+                       base::SysUTF8ToCFStringRef(model));
+  CFDictionaryAddValue(dict, kDADiskDescriptionMediaWholeKey, kCFBooleanTrue);
+  CFDictionaryAddValue(
+      dict,
+      kDADiskDescriptionMediaSizeKey,
+      CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &capacity));
+
+  if (type == DriveType::FIXED) {
+    CFDictionaryAddValue(dict,
+                         kDADiskDescriptionDeviceProtocolKey,
+                         CFSTR(kIOPropertyPhysicalInterconnectTypeSerialATA));
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionDeviceInternalKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaEjectableKey, kCFBooleanFalse);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaRemovableKey, kCFBooleanFalse);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaKindKey, CFSTR("IOMedia"));
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionDevicePathKey, CFSTR("Fixed Device Path"));
+  } else if (type == DriveType::USB) {
+    CFDictionaryAddValue(dict,
+                         kDADiskDescriptionDeviceProtocolKey,
+                         CFSTR(kIOPropertyPhysicalInterconnectTypeUSB));
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionDeviceInternalKey, kCFBooleanFalse);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaEjectableKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaRemovableKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaKindKey, CFSTR("IOMedia"));
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionDevicePathKey, CFSTR("USB Device Path"));
+  } else if (type == DriveType::CD) {
+    CFDictionaryAddValue(dict,
+                         kDADiskDescriptionDeviceProtocolKey,
+                         CFSTR(kIOPropertyPhysicalInterconnectTypeSerialATA));
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionDeviceInternalKey, kCFBooleanFalse);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaEjectableKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaRemovableKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaKindKey, CFSTR("IOCDMedia"));
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionDevicePathKey, CFSTR("CD Device Path"));
+  } else if (type == DriveType::SD) {
+    CFDictionaryAddValue(dict,
+                         kDADiskDescriptionDeviceProtocolKey,
+                         CFSTR(kIOPropertyPhysicalInterconnectTypeUSB));
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionDeviceInternalKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaEjectableKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaRemovableKey, kCFBooleanTrue);
+    CFDictionaryAddValue(
+        dict, kDADiskDescriptionMediaKindKey, CFSTR("IOMedia"));
+    CFDictionaryAddValue(dict,
+                         kDADiskDescriptionDevicePathKey,
+                         CFSTR("SD Device Path e.g. AppleUSBCardReader"));
+  }
+
+  return base::ScopedCFTypeRef<CFDictionaryRef>(dict,
+                                                base::scoped_policy::RETAIN);
+}
+
+}  // image_writer
+}  // extensions