Componentize IgnoreNavigationResourceThrottle and add chrome and webview specific implementations.

chrome/browser/android/chrome_web_contents_delegate_android.cc

Index: chrome/browser/android/chrome_web_contents_delegate_android.cc
diff --git a/chrome/browser/android/chrome_web_contents_delegate_android.cc b/chrome/browser/android/chrome_web_contents_delegate_android.cc
index 84d2685c1b1cd4fecc6e82b31a0a3d6f8e25b30e..d5d7ded7119ab4b82a54bd3e51575b8bb210c0aa 100644
--- a/chrome/browser/android/chrome_web_contents_delegate_android.cc
+++ b/chrome/browser/android/chrome_web_contents_delegate_android.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/android/chrome_web_contents_delegate_android.h"
 
 #include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/ui/find_bar/find_match_rects_details.h"
 #include "chrome/browser/ui/find_bar/find_notification_details.h"
@@ -21,6 +22,7 @@
 #include "ui/gfx/rect_f.h"
 
 using base::android::AttachCurrentThread;
+using base::android::ConvertUTF8ToJavaString;
 using base::android::GetClass;
 using base::android::ScopedJavaLocalRef;
 using content::FileChooserParams;
@@ -229,5 +231,23 @@ void ChromeWebContentsDelegateAndroid::FindMatchRectsReply(
       details_object.obj());
 }
 
+bool ChromeWebContentsDelegateAndroid::ShouldIgnoreNavigation(
+    const GURL& url,
+    bool is_content_initiated) {
+  if (!url.is_valid())
+    return false;
+
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
+  if (obj.is_null())
+    return false;
+
+  ScopedJavaLocalRef<jstring> jstring_url =
+      ConvertUTF8ToJavaString(env, url.spec());
+  bool ret = Java_ChromeWebContentsDelegateAndroid_shouldIgnoreNavigation(
+      env, obj.obj(), jstring_url.obj(), is_content_initiated);
+  return ret;
+}
+
 }  // namespace android
 }  // namespace chrome