Revert r161932 "DevTools: [Linux] "dock to right" is broken after turning a tab into a window."

chrome/browser/ui/gtk/browser_window_gtk.h

Index: chrome/browser/ui/gtk/browser_window_gtk.h
diff --git a/chrome/browser/ui/gtk/browser_window_gtk.h b/chrome/browser/ui/gtk/browser_window_gtk.h
index fa112cc5bd3dfc16d164bd8288bd3d1019d72848..5caa6b402990facd2cd37fb56d7244be00f9dcff 100644
--- a/chrome/browser/ui/gtk/browser_window_gtk.h
+++ b/chrome/browser/ui/gtk/browser_window_gtk.h
@@ -269,8 +269,6 @@ class BrowserWindowGtk
   // |relative_to| coordinates. This is the middle of the omnibox location icon.
   int GetXPositionOfLocationIcon(GtkWidget* relative_to);
 
-  DevToolsDockSide devtools_dock_side() { return devtools_dock_side_; }
-
  protected:
   virtual void DestroyBrowser() OVERRIDE;
 
@@ -299,8 +297,6 @@ class BrowserWindowGtk
 
   // Top level window.
   GtkWindow* window_;
-  // Determines whether window was shown.
-  bool window_has_shown_;
   // GtkAlignment that holds the interior components of the chromium window.
   // This is used to draw the custom frame border and content shadow.
   GtkWidget* window_container_;