Fix MediaClient::RequestCaptureState().

chrome/browser/ui/ash/chrome_shell_content_state.h

Index: chrome/browser/ui/ash/chrome_shell_content_state.h
diff --git a/chrome/browser/ui/ash/chrome_shell_content_state.h b/chrome/browser/ui/ash/chrome_shell_content_state.h
index d3f3e80e4e95161020a07a377465825092ff331e..8bb026b51621d89e7f271e35d70c7155b18ead48 100644
--- a/chrome/browser/ui/ash/chrome_shell_content_state.h
+++ b/chrome/browser/ui/ash/chrome_shell_content_state.h
@@ -11,10 +11,10 @@
 class ChromeShellContentState : public ash::ShellContentState {
  public:
   ChromeShellContentState();
-
- private:
   ~ChromeShellContentState() override;
 
+  static ChromeShellContentState* GetInstance();
+
   // Overridden from ash::ShellContentState:
   content::BrowserContext* GetActiveBrowserContext() override;
   content::BrowserContext* GetBrowserContextByIndex(
@@ -24,6 +24,7 @@ class ChromeShellContentState : public ash::ShellContentState {
   content::BrowserContext* GetUserPresentingBrowserContextForWindow(
       aura::Window* window) override;
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(ChromeShellContentState);
 };