Remove chrome dependencies from app_window_api.cc

apps/ui/apps_client.h

Index: apps/ui/apps_client.h
diff --git a/apps/ui/apps_client.h b/apps/ui/apps_client.h
index da4b2bf8d1fe4ca48f1532f3f58a0815105d512c..f601e679a9f6dba2ff410a74f91640b68e71b7f2 100644
--- a/apps/ui/apps_client.h
+++ b/apps/ui/apps_client.h
@@ -8,9 +8,11 @@
 #include <vector>
 
 #include "apps/app_window.h"
+#include "base/callback_forward.h"
 
 namespace content {
 class BrowserContext;
+class WebContents;
 }
 
 namespace extensions {
@@ -43,6 +45,13 @@ class AppsClient {
   virtual void IncrementKeepAliveCount() = 0;
   virtual void DecrementKeepAliveCount() = 0;
 
+  // Opens DevTools window and runs the callback.
+  virtual void OpenDevToolsWindow(content::WebContents* web_contents,
+                                  const base::Closure& callback) = 0;
+
+  // Returns true if the current channel is older than dev.
+  virtual bool IsCurrentChannelOlderThanDev() = 0;
+
   // Return the apps client.
   static AppsClient* Get();