Revert of Remove SSLClientAuthHandler's RDH dependency.

chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/ssl_client_certificate_selector_cocoa.h"
 
 #import <SecurityInterface/SFChooseIdentityPanel.h>
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
@@ skipping 22 matching lines @@
 @end
 
 @interface SSLClientCertificateSelectorCocoa ()
 - (void)onConstrainedWindowClosed;
 @end
 
 class SSLClientAuthObserverCocoaBridge : public SSLClientAuthObserver,
                                          public ConstrainedWindowMacDelegate {
  public:
   SSLClientAuthObserverCocoaBridge(
-      const content::BrowserContext* browser_context,
+      const net::HttpNetworkSession* network_session,
       net::SSLCertRequestInfo* cert_request_info,
       const chrome::SelectCertificateCallback& callback,
       SSLClientCertificateSelectorCocoa* controller)
-      : SSLClientAuthObserver(browser_context, cert_request_info, callback),
+      : SSLClientAuthObserver(network_session, cert_request_info, callback),
         controller_(controller) {
   }
 
   // SSLClientAuthObserver implementation:
   virtual void OnCertSelectedByNotification() override {
     [controller_ closeWebContentsModalDialog];
   }
 
   // ConstrainedWindowMacDelegate implementation:
   virtual void OnConstrainedWindowClosed(
       ConstrainedWindowMac* window) override {
     // |onConstrainedWindowClosed| will delete the sheet which might be still
     // in use higher up the call stack. Wait for the next cycle of the event
     // loop to call this function.
     [controller_ performSelector:@selector(onConstrainedWindowClosed)
                       withObject:nil
                       afterDelay:0];
   }
 
  private:
   SSLClientCertificateSelectorCocoa* controller_;  // weak
 };
 
 namespace chrome {
 
 void ShowSSLClientCertificateSelector(
     content::WebContents* contents,
+    const net::HttpNetworkSession* network_session,
     net::SSLCertRequestInfo* cert_request_info,
     const SelectCertificateCallback& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   // The dialog manages its own lifetime.
   SSLClientCertificateSelectorCocoa* selector =
       [[SSLClientCertificateSelectorCocoa alloc]
-          initWithBrowserContext:contents->GetBrowserContext()
+          initWithNetworkSession:network_session
                  certRequestInfo:cert_request_info
                         callback:callback];
   [selector displayForWebContents:contents];
 }
 
 }  // namespace chrome
 
 @implementation SSLClientCertificateSelectorCocoa
 
-- (id)initWithBrowserContext:(const content::BrowserContext*)browserContext
+- (id)initWithNetworkSession:(const net::HttpNetworkSession*)networkSession
     certRequestInfo:(net::SSLCertRequestInfo*)certRequestInfo
            callback:(const chrome::SelectCertificateCallback&)callback {
-  DCHECK(browserContext);
+  DCHECK(networkSession);
   DCHECK(certRequestInfo);
   if ((self = [super init])) {
     observer_.reset(new SSLClientAuthObserverCocoaBridge(
-        browserContext, certRequestInfo, callback, self));
+        networkSession, certRequestInfo, callback, self));
   }
   return self;
 }
 
 - (void)sheetDidEnd:(NSWindow*)parent
          returnCode:(NSInteger)returnCode
             context:(void*)context {
   net::X509Certificate* cert = NULL;
   if (returnCode == NSFileHandlingPanelOKButton) {
     CFRange range = CFRangeMake(0, CFArrayGetCount(identities_));
@@ skipping 120 matching lines @@
 }
 
 - (void)onConstrainedWindowClosed {
   observer_->StopObserving();
   panel_.reset();
   constrainedWindow_.reset();
   [self release];
 }
 
 @end