views/examples: Fix include paths and header guards.

ui/views/examples/examples_window_with_content.h

Index: ui/views/examples/examples_window_with_content.h
diff --git a/ui/views/examples/examples_window_with_content.h b/ui/views/examples/examples_window_with_content.h
index d3ef0459a3fd67d1e946485d506b8f5b1bb2f33c..c13f420bcc76e9ee2e216122e7cd82bd7865d8ff 100644
--- a/ui/views/examples/examples_window_with_content.h
+++ b/ui/views/examples/examples_window_with_content.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_VIEWS_EXAMPLES_EXAMPLES_WINDOW_H_
-#define UI_VIEWS_EXAMPLES_EXAMPLES_WINDOW_H_
+#ifndef UI_VIEWS_EXAMPLES_EXAMPLES_WINDOW_WITH_CONTENT_H_
+#define UI_VIEWS_EXAMPLES_EXAMPLES_WINDOW_WITH_CONTENT_H_
 
 namespace content {
 class BrowserContext;
@@ -24,4 +24,4 @@ void ShowExamplesWindow(Operation operation,
 }  // namespace examples
 }  // namespace views
 
-#endif  // UI_VIEWS_EXAMPLES_EXAMPLES_WINDOW_H_
+#endif  // UI_VIEWS_EXAMPLES_EXAMPLES_WINDOW_WITH_CONTENT_H_