Repurpose views+content example into a generic multiprocess views runtime

ui/views_content_client/views_content_client_export.h

Index: ui/views_content_client/views_content_client_export.h
diff --git a/ui/views_content_client/views_content_client_export.h b/ui/views_content_client/views_content_client_export.h
new file mode 100644
index 0000000000000000000000000000000000000000..fafa52ee0ec5f30ede54552e60753fc6ad19d2d6
--- /dev/null
+++ b/ui/views_content_client/views_content_client_export.h
@@ -0,0 +1,32 @@
+// 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 UI_VIEWS_CONTENT_CLIENT_VIEWS_CONTENT_CLIENT_EXPORT_H_
+#define UI_VIEWS_CONTENT_CLIENT_VIEWS_CONTENT_CLIENT_EXPORT_H_
+
+// Defines VIEWS_CONTENT_CLIENT_EXPORT so that functionality implemented by the
+// views_content_client module can be exported to consumers.
+
+#if defined(COMPONENT_BUILD)
+#if defined(WIN32)
+
+#if defined(VIEWS_CONTENT_CLIENT_IMPLEMENTATION)
+#define VIEWS_CONTENT_CLIENT_EXPORT __declspec(dllexport)
+#else
+#define VIEWS_CONTENT_CLIENT_EXPORT __declspec(dllimport)
+#endif  // defined(VIEWS_CONTENT_CLIENT_IMPLEMENTATION)
+
+#else  // defined(WIN32)
+#if defined(VIEWS_CONTENT_CLIENT_IMPLEMENTATION)
+#define VIEWS_CONTENT_CLIENT_EXPORT __attribute__((visibility("default")))
+#else
+#define VIEWS_CONTENT_CLIENT_EXPORT
+#endif
+#endif  // defined(VIEWS_CONTENT_CLIENT_IMPLEMENTATION)
+
+#else  // defined(COMPONENT_BUILD)
+#define VIEWS_CONTENT_CLIENT_EXPORT
+#endif
+
+#endif  // UI_VIEWS_CONTENT_CLIENT_VIEWS_CONTENT_CLIENT_EXPORT_H_