Revert "chromeos: Move files in //ash/common to //ash, part 3"

ash/common/devtools/ash_devtools_css_agent.h

Index: ash/common/devtools/ash_devtools_css_agent.h
diff --git a/ash/devtools/ash_devtools_css_agent.h b/ash/common/devtools/ash_devtools_css_agent.h
similarity index 89%
rename from ash/devtools/ash_devtools_css_agent.h
rename to ash/common/devtools/ash_devtools_css_agent.h
index cffe440e87f394b00038ef9cd74cdbd5dbfb7ea0..84f645d2b940daf7a7d67efd7cd6e39145415f86 100644
--- a/ash/devtools/ash_devtools_css_agent.h
+++ b/ash/common/devtools/ash_devtools_css_agent.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_DEVTOOLS_ASH_DEVTOOLS_CSS_AGENT_H_
-#define ASH_DEVTOOLS_ASH_DEVTOOLS_CSS_AGENT_H_
+#ifndef ASH_COMMON_DEVTOOLS_ASH_DEVTOOLS_CSS_AGENT_H_
+#define ASH_COMMON_DEVTOOLS_ASH_DEVTOOLS_CSS_AGENT_H_
 
-#include "ash/devtools/ash_devtools_dom_agent.h"
+#include "ash/common/devtools/ash_devtools_dom_agent.h"
 #include "components/ui_devtools/CSS.h"
 #include "ui/views/widget/widget_observer.h"
 
@@ -54,4 +54,4 @@ class ASH_EXPORT AshDevToolsCSSAgent
 }  // namespace devtools
 }  // namespace ash
 
-#endif  // ASH_DEVTOOLS_ASH_DEVTOOLS_CSS_AGENT_H_
+#endif  // ASH_COMMON_DEVTOOLS_ASH_DEVTOOLS_CSS_AGENT_H_