Revert of Converts chrome to aura-mus

chrome/browser/ui/views/frame/immersive_context_mus.h

Index: chrome/browser/ui/views/frame/immersive_context_mus.h
diff --git a/chrome/browser/ui/views/frame/immersive_context_mus.h b/chrome/browser/ui/views/frame/immersive_context_mus.h
index e612e2089d4a83ca247a6d40ff85a65e40c8301f..503d1bacd05be35809419733469a59d41fe7878e 100644
--- a/chrome/browser/ui/views/frame/immersive_context_mus.h
+++ b/chrome/browser/ui/views/frame/immersive_context_mus.h
@@ -8,15 +8,9 @@
 #include "ash/shared/immersive_context.h"
 #include "base/macros.h"
 
-namespace aura {
-namespace client {
-class CaptureClient;
-}
-}
-
 class ImmersiveContextMus : public ash::ImmersiveContext {
  public:
-  explicit ImmersiveContextMus(aura::client::CaptureClient* capture_client);
+  ImmersiveContextMus();
   ~ImmersiveContextMus() override;
 
   // ash::ImmersiveContext:
@@ -33,8 +27,6 @@
   bool IsMouseEventsEnabled() override;
 
  private:
-  aura::client::CaptureClient* capture_client_;
-
   DISALLOW_COPY_AND_ASSIGN(ImmersiveContextMus);
 };