Consolidate SDK forwards in sdk_forward_declarations.h.

components/storage_monitor/image_capture_device_manager_unittest.mm

 // 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.
 
 #import <Foundation/Foundation.h>
 #import <ImageCaptureCore/ImageCaptureCore.h>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/mac/foundation_util.h"
+#include "base/mac/sdk_forward_declarations.h"
 #include "base/memory/weak_ptr.h"
 #include "base/run_loop.h"
 #include "components/storage_monitor/image_capture_device.h"
 #include "components/storage_monitor/image_capture_device_manager.h"
 #include "components/storage_monitor/test_storage_monitor.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-#if !defined(MAC_OS_X_VERSION_10_7) || \
-    MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
-
-@interface NSObject (ICCameraDeviceDelegateLionAPI)
-- (void)deviceDidBecomeReadyWithCompleteContentCatalog:(ICDevice*)device;
-- (void)didDownloadFile:(ICCameraFile*)file
-                  error:(NSError*)error
-                options:(NSDictionary*)options
-            contextInfo:(void*)contextInfo;
-@end
-
-#endif  // 10.6
-
 namespace {
 
 const char kDeviceId[] = "id";
 const char kTestFileContents[] = "test";
 
 }  // namespace
 
 // Private ICCameraDevice method needed to properly initialize the object.
 @interface NSObject (PrivateAPIICCameraDevice)
 - (id)initWithDictionary:(id)properties;
@@ skipping 385 matching lines @@
   char file_contents[5];
   ASSERT_EQ(4, base::ReadFile(temp_file, file_contents,
                               strlen(kTestFileContents)));
   EXPECT_EQ(kTestFileContents,
             std::string(file_contents, strlen(kTestFileContents)));
 
   [camera didRemoveDevice:device];
 }
 
 }  // namespace storage_monitor