Clean up PrintController by deleting unreachable code paths

TESTED=Print PDF, print webpage, print a PDF statement from bank web site.

Change-Id: I49ec6db1663f5e58d6f20a2ada10f61addf83f8c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1848548
Commit-Queue: Peter Lee <pkl@chromium.org>
Reviewed-by: Mohammad Refaat <mrefaat@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704325}

ios/chrome/browser/ui/browser_view/browser_coordinator.mm

@@ -52,7 +52,6 @@
 #include "ios/chrome/browser/web_state_list/web_state_list.h"
 #import "ios/chrome/browser/web_state_list/web_state_list_observer_bridge.h"
 #include "ios/chrome/grit/ios_strings.h"
-#include "net/url_request/url_request_context_getter.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
@@ -324,8 +323,7 @@
       initWithBaseViewController:self.viewController];
   self.passwordBreachCoordinator.dispatcher = self.dispatcher;
 
-  self.printController = [[PrintController alloc]
-      initWithContextGetter:self.browserState->GetRequestContext()];
+  self.printController = [[PrintController alloc] init];
 
   self.qrScannerCoordinator = [[QRScannerLegacyCoordinator alloc]
       initWithBaseViewController:self.viewController];

ios/chrome/browser/ui/print/print_controller.h

@@ -7,22 +7,11 @@
 
 #import <UIKit/UIKit.h>
 
-#include "base/memory/ref_counted.h"
 #import "ios/chrome/browser/web/web_state_printer.h"
 
-namespace net {
-class URLRequestContextGetter;
-}  // namespace net
-
 // Interface for printing.
 @interface PrintController : NSObject <WebStatePrinter>
 
-- (instancetype)initWithContextGetter:
-    (scoped_refptr<net::URLRequestContextGetter>)getter
-    NS_DESIGNATED_INITIALIZER;
-
-- (instancetype)init NS_UNAVAILABLE;
-
 // Shows print UI for |view| with |title|.
 - (void)printView:(UIView*)view withTitle:(NSString*)title;