Componentize IgnoreNavigationResourceThrottle and add chrome and webview specific implementations.

android_webview/native/aw_contents.cc

Index: android_webview/native/aw_contents.cc
diff --git a/android_webview/native/aw_contents.cc b/android_webview/native/aw_contents.cc
index 257ea51b175b1f19e61e3654923196461a83bda8..cc6902461c047930630cedb6cd44c2837011aff4 100644
--- a/android_webview/native/aw_contents.cc
+++ b/android_webview/native/aw_contents.cc
@@ -16,6 +16,7 @@
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/supports_user_data.h"
+#include "chrome/browser/component/navigation_interception/intercept_navigation_delegate.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cert_store.h"
@@ -36,6 +37,7 @@ using base::android::ScopedJavaLocalRef;
 using content::BrowserThread;
 using content::ContentViewCore;
 using content::WebContents;
+using navigation_interception::InterceptNavigationDelegate;
 
 namespace android_webview {
 
@@ -219,6 +221,16 @@ void AwContents::SetIoThreadClient(JNIEnv* env, jobject obj, jobject client) {
       web_contents, ScopedJavaLocalRef<jobject>(env, client));
 }
 
+void AwContents::SetInterceptNavigationDelegate(JNIEnv* env,
+                                                jobject obj,
+                                                jobject delegate) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  content::WebContents* web_contents = contents_container_->GetWebContents();
+  InterceptNavigationDelegate::Associate(
+      web_contents,
+      make_scoped_ptr(new InterceptNavigationDelegate(env, delegate)));
+}
+
 static jint Init(JNIEnv* env,
                  jobject obj,
                  jobject web_contents_delegate,