Componentize IgnoreNavigationResourceThrottle and add chrome and webview specific implementations.

chrome/browser/component/navigation_interception/intercept_navigation_resource_throttle.cc

Index: chrome/browser/component/navigation_interception/intercept_navigation_resource_throttle.cc
diff --git a/chrome/browser/renderer_host/intercept_navigation_resource_throttle.cc b/chrome/browser/component/navigation_interception/intercept_navigation_resource_throttle.cc
similarity index 95%
rename from chrome/browser/renderer_host/intercept_navigation_resource_throttle.cc
rename to chrome/browser/component/navigation_interception/intercept_navigation_resource_throttle.cc
index 3852627bb551f55abeee60b8c5c9c3b8092e7a1b..0fc6b35f1b6b2150de148608b5bdbfadcddd04b9 100644
--- a/chrome/browser/renderer_host/intercept_navigation_resource_throttle.cc
+++ b/chrome/browser/component/navigation_interception/intercept_navigation_resource_throttle.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/renderer_host/intercept_navigation_resource_throttle.h"
+#include "chrome/browser/component/navigation_interception/intercept_navigation_resource_throttle.h"
 
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
@@ -19,6 +19,8 @@ using content::Referrer;
 using content::RenderViewHost;
 using content::ResourceRequestInfo;
 
+namespace navigation_interception {
+
 namespace {
 
 void CheckIfShouldIgnoreNavigationOnUIThread(
@@ -117,3 +119,5 @@ void InterceptNavigationResourceThrottle::OnResultObtained(
     controller()->Resume();
   }
 }
+
+} // namespace navigation_interception