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

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 <set>
 #include <string>
 #include <utility>
@@ skipping 46 matching lines @@
       bool* in_memory) OVERRIDE;
   virtual content::WebContentsViewDelegate* GetWebContentsViewDelegate(
       content::WebContents* web_contents) OVERRIDE;
   virtual void RenderViewHostCreated(
       content::RenderViewHost* render_view_host) OVERRIDE;
   virtual void GuestWebContentsCreated(
       content::WebContents* guest_web_contents,
       content::WebContents* embedder_web_contents) OVERRIDE;
   virtual void RenderProcessHostCreated(
       content::RenderProcessHost* host) OVERRIDE;
-  virtual void RenderProcessHostDeleted(
-      content::RenderProcessHost* host) OVERRIDE;
   virtual bool ShouldUseProcessPerSite(content::BrowserContext* browser_context,
                                        const GURL& effective_url) OVERRIDE;
   virtual GURL GetEffectiveURL(content::BrowserContext* browser_context,
                                const GURL& url) OVERRIDE;
   virtual bool IsHandledURL(const GURL& url) OVERRIDE;
   virtual bool IsSuitableHost(content::RenderProcessHost* process_host,
                               const GURL& url) OVERRIDE;
   virtual bool ShouldTryToUseExistingProcessHost(
       content::BrowserContext* browser_context, const GURL& url) OVERRIDE;
   virtual void SiteInstanceGotProcess(
@@ skipping 163 matching lines @@
   // Cached version of the locale so we can return the locale on the I/O
   // thread.
   std::string io_thread_application_locale_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_