Revert of Add a NavigationThrottle to the public content/ interface

android_webview/browser/aw_content_browser_client.cc

Index: android_webview/browser/aw_content_browser_client.cc
diff --git a/android_webview/browser/aw_content_browser_client.cc b/android_webview/browser/aw_content_browser_client.cc
index ab14d49bdbb54982b24b77775a5836cb166107bd..759c844b9ba903e6e713e0a2af56b669c2867384 100644
--- a/android_webview/browser/aw_content_browser_client.cc
+++ b/android_webview/browser/aw_content_browser_client.cc
@@ -25,13 +25,10 @@
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "components/cdm/browser/cdm_message_filter_android.h"
-#include "components/navigation_interception/intercept_navigation_delegate.h"
 #include "content/public/browser/access_token_store.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/client_certificate_delegate.h"
-#include "content/public/browser/navigation_handle.h"
-#include "content/public/browser/navigation_throttle.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ -490,22 +487,6 @@
       content::WebContents::FromRenderViewHost(rvh), web_prefs);
 }
 
-ScopedVector<content::NavigationThrottle>
-AwContentBrowserClient::CreateThrottlesForNavigation(
-    content::NavigationHandle* navigation_handle) {
-  ScopedVector<content::NavigationThrottle> throttles;
-  if (navigation_handle->IsInMainFrame() ||
-      (!navigation_handle->GetURL().SchemeIs(url::kHttpScheme) &&
-       !navigation_handle->GetURL().SchemeIs(url::kHttpsScheme) &&
-       !navigation_handle->GetURL().SchemeIs(url::kAboutScheme))) {
-    throttles.push_back(
-        navigation_interception::InterceptNavigationDelegate::CreateThrottleFor(
-            navigation_handle)
-            .Pass());
-  }
-  return throttles.Pass();
-}
-
 #if defined(VIDEO_HOLE)
 content::ExternalVideoSurfaceContainer*
 AwContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(