Introduce new component webdata_services

components/webdata_services/webdata_services_export.h

Index: components/webdata_services/webdata_services_export.h
diff --git a/components/webdata_services/webdata_services_export.h b/components/webdata_services/webdata_services_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..2742370c8208455f3a0432907474fb34bba7d01d
--- /dev/null
+++ b/components/webdata_services/webdata_services_export.h
@@ -0,0 +1,29 @@
+// 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.
+
+#ifndef COMPONENTS_WEBDATA_SERVICES_WEBDATA_SERVICES_EXPORT_H_
+#define COMPONENTS_WEBDATA_SERVICES_WEBDATA_SERVICES_EXPORT_H_
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(WEBDATA_SERVICES_IMPLEMENTATION)
+#define WEBDATA_SERVICES_EXPORT __declspec(dllexport)
+#else
+#define WEBDATA_SERVICES_EXPORT __declspec(dllimport)
+#endif  // defined(WEBDATA_IMPLEMENTATION)

[Peter Kasting, 2014/12/05 21:47:56]

This comment doesn't match the actual #if above

[sdefresne, 2014/12/08 10:54:42]

Done.

+
+#else  // defined(WIN32)

[Peter Kasting, 2014/12/05 21:47:56]

Nit: Unlike comments on the endif, I think comments on the else should reverse
the condition, i.e.:

#if FOO
...
#else  // !FOO
...
#endif  // FOO

(2 places)

[sdefresne, 2014/12/08 10:54:42]

Done.

+#if defined(WEBDATA_SERVICES_IMPLEMENTATION)
+#define WEBDATA_SERVICES_EXPORT __attribute__((visibility("default")))
+#else
+#define WEBDATA_SERVICES_EXPORT
+#endif
+#endif
+
+#else  // defined(COMPONENT_BUILD)
+#define WEBDATA_SERVICES_EXPORT
+#endif
+
+#endif  // COMPONENTS_WEBDATA_SERVICES_WEBDATA_SERVICES_EXPORT_H_