Refactor away the Browser* dependency in exclusive_access

chrome/browser/ui/exclusive_access/exclusive_access_manager.h

Index: chrome/browser/ui/exclusive_access/exclusive_access_manager.h
diff --git a/chrome/browser/ui/exclusive_access/exclusive_access_manager.h b/chrome/browser/ui/exclusive_access/exclusive_access_manager.h
index 0c10fe57cc66231cde8411a202fa508936a8f116..0f6bd2d0991aac69549c0b21e4e4abfd601630f7 100644
--- a/chrome/browser/ui/exclusive_access/exclusive_access_manager.h
+++ b/chrome/browser/ui/exclusive_access/exclusive_access_manager.h
@@ -10,7 +10,7 @@
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
 #include "chrome/browser/ui/exclusive_access/mouse_lock_controller.h"
 
-class Browser;
+class ExclusiveAccessContext;
 class FullscreenController;
 class GURL;
 class MouseLockController;
@@ -24,7 +24,8 @@ class WebContents;
 // the exit bubble to reflect the combined state.
 class ExclusiveAccessManager {
  public:
-  explicit ExclusiveAccessManager(Browser* browser);
+  explicit ExclusiveAccessManager(
+      ExclusiveAccessContext* exclusive_access_context);
   ~ExclusiveAccessManager();
 
   FullscreenController* fullscreen_controller() {
@@ -35,6 +36,10 @@ class ExclusiveAccessManager {
     return &mouse_lock_controller_;
   }
 
+  ExclusiveAccessContext* exclusive_access_context() {
+    return exclusive_access_context_;
+  }
+
   ExclusiveAccessBubbleType GetExclusiveAccessExitBubbleType() const;
   void UpdateExclusiveAccessExitBubbleContent();
 
@@ -59,7 +64,7 @@ class ExclusiveAccessManager {
   void OnDenyExclusiveAccessPermission();
 
  private:
-  Browser* const browser_;
+  ExclusiveAccessContext* exclusive_access_context_;
   FullscreenController fullscreen_controller_;
   MouseLockController mouse_lock_controller_;