Cleanup: Fix content header include guards.

content/browser/gpu/gpu_internals_ui.h

Index: content/browser/gpu/gpu_internals_ui.h
diff --git a/content/browser/gpu/gpu_internals_ui.h b/content/browser/gpu/gpu_internals_ui.h
index 45912e30703f26161d654dfe58877d67dfdf7d68..41fd7ead2770d6fb4ed5ecda780658307087e6aa 100644
--- a/content/browser/gpu/gpu_internals_ui.h
+++ b/content/browser/gpu/gpu_internals_ui.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 CHROME_BROWSER_UI_WEBUI_GPU_INTERNALS_UI_H_
-#define CHROME_BROWSER_UI_WEBUI_GPU_INTERNALS_UI_H_
+#ifndef CONTENT_BROWSER_GPU_GPU_INTERNALS_UI_H_
+#define CONTENT_BROWSER_GPU_GPU_INTERNALS_UI_H_
 
 #include "content/public/browser/web_ui_controller.h"
 
@@ -19,5 +19,5 @@ class GpuInternalsUI : public WebUIController {
 
 }  // namespace content
 
-#endif  // CHROME_BROWSER_UI_WEBUI_GPU_INTERNALS_UI_H_
+#endif  // CONTENT_BROWSER_GPU_GPU_INTERNALS_UI_H_