ozone: Introduce ClientPixmap and ClientPixmapFactory for non-GPU processes.

content/test/content_test_suite.h

Index: content/test/content_test_suite.h
diff --git a/content/test/content_test_suite.h b/content/test/content_test_suite.h
index 6991b99cf62ef506c6f68e605e8538528ac46881..9632cb341ff69350b8414760d7ee13bad7f4788a 100644
--- a/content/test/content_test_suite.h
+++ b/content/test/content_test_suite.h
@@ -12,6 +12,12 @@
 #include "base/win/scoped_com_initializer.h"
 #endif
 
+#if defined(USE_OZONE)
+namespace ui {
+class ClientPixmapManager;
+}  // namespace ui
+#endif
+
 namespace content {
 
 class ContentTestSuite : public ContentTestSuiteBase {
@@ -26,6 +32,9 @@ class ContentTestSuite : public ContentTestSuiteBase {
 #if defined(OS_WIN)
   base::win::ScopedCOMInitializer com_initializer_;
 #endif
+#if defined(USE_OZONE)
+  scoped_ptr<ui::ClientPixmapManager> client_pixmap_manager_;
+#endif
 
   DISALLOW_COPY_AND_ASSIGN(ContentTestSuite);
 };