Revert of Enforce capability spec renderer <--> browser

chrome/browser/chrome_content_browser_client.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 281 matching lines @@
   void RegisterRenderFrameMojoInterfaces(
       shell::InterfaceRegistry* registry,
       content::RenderFrameHost* render_frame_host) override;
   void ExposeInterfacesToGpuProcess(
       shell::InterfaceRegistry* registry,
       content::GpuProcessHost* render_process_host) override;
   void RegisterInProcessMojoApplications(
       StaticMojoApplicationMap* apps) override;
   void RegisterOutOfProcessMojoApplications(
       OutOfProcessMojoApplicationMap* apps) override;
-  std::unique_ptr<base::Value> GetServiceManifestOverlay(
-      const std::string& name) override;
   void OpenURL(content::BrowserContext* browser_context,
                const content::OpenURLParams& params,
                const base::Callback<void(content::WebContents*)>& callback)
       override;
   content::PresentationServiceDelegate* GetPresentationServiceDelegate(
       content::WebContents* web_contents) override;
 
   void RecordURLMetric(const std::string& metric, const GURL& url) override;
   ScopedVector<content::NavigationThrottle> CreateThrottlesForNavigation(
       content::NavigationHandle* handle) override;
@@ skipping 43 matching lines @@
   // Vector of additional ChromeContentBrowserClientParts.
   // Parts are deleted in the reverse order they are added.
   std::vector<ChromeContentBrowserClientParts*> extra_parts_;
 
   base::WeakPtrFactory<ChromeContentBrowserClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_