Move kChromeSearchScheme out of content since it's a chrome feature.

content/public/browser/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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 101 matching lines @@
 
   // Notifies that a <webview> guest WebContents has been created.
   virtual void GuestWebContentsCreated(WebContents* guest_web_contents,
                                        WebContents* embedder_web_contents) {}
 
   // Notifies that a RenderProcessHost has been created. This is called before
   // the content layer adds its own BrowserMessageFilters, so that the
   // embedder's IPC filters have priority.
   virtual void RenderProcessHostCreated(RenderProcessHost* host) {}
 
-  // Notifies that a RenderProcessHost is about to be deleted.
-  virtual void RenderProcessHostDeleted(RenderProcessHost* host) {}
-
   // Notifies that a BrowserChildProcessHost has been created.
   virtual void BrowserChildProcessHostCreated(BrowserChildProcessHost* host) {}
 
   // Get the effective URL for the given actual URL, to allow an embedder to
   // group different url schemes in the same SiteInstance.
   virtual GURL GetEffectiveURL(BrowserContext* browser_context,
                                const GURL& url);
 
   // Returns whether all instances of the specified effective URL should be
   // rendered by the same process, rather than using process-per-site-instance.
@@ skipping 336 matching lines @@
   // This is called on a worker thread.
   virtual
       crypto::CryptoModuleBlockingPasswordDelegate* GetCryptoPasswordDelegate(
           const GURL& url);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_