JNI refactor: @NativeMethods conversion (//printing).

This CL was generated by
//base/android/jni_generator/jni_refactorer.py.

Bug: 929661
Change-Id: Id6b2e31c1176244a50e718d0fd283ca2fe9403e2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1809400
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: Eric Stevenson <estevenson@chromium.org>
Reviewed-by: Shimi Zhang <ctzsm@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697332}

printing/BUILD.gn

@@ -382,6 +382,7 @@ if (is_android) {
   android_library("printing_java") {
     deps = [
       "//base:base_java",
+      "//base:jni_java",
       "//ui/android:ui_java",
     ]
     java_files = [
@@ -393,5 +394,6 @@ if (is_android) {
       "android/java/src/org/chromium/printing/PrintingController.java",
       "android/java/src/org/chromium/printing/PrintingControllerImpl.java",
     ]
+    annotation_processor_deps = [ "//base/android/jni_generator:jni_processor" ]
   }
 }

printing/android/java/src/org/chromium/printing/PrintingContext.java

@@ -10,6 +10,7 @@ import org.chromium.base.Log;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.base.annotations.NativeMethods;
 import org.chromium.ui.base.WindowAndroid;
 
 /**
@@ -106,8 +107,8 @@ public class PrintingContext {
         ThreadUtils.assertOnUiThread();
         // If the printing dialog has already finished, tell Chromium that operation is cancelled.
         if (mController.hasPrintingFinished()) {
-            // NOTE: We don't call nativeAskUserForSettingsReply (hence Chromium callback in
-            // AskUserForSettings callback) twice.
+            // NOTE: We don't call PrintingContextJni.get().askUserForSettingsReply (hence Chromium
+            // callback in AskUserForSettings callback) twice.
             askUserForSettingsReply(false);
         } else {
             mController.setPrintingContext(this);
@@ -117,16 +118,19 @@ public class PrintingContext {
 
     private void askUserForSettingsReply(boolean success) {
         assert mNativeObject != 0;
-        nativeAskUserForSettingsReply(mNativeObject, success);
+        PrintingContextJni.get().askUserForSettingsReply(
+                mNativeObject, PrintingContext.this, success);
     }
 
     private void showSystemDialogDone() {
         assert mNativeObject != 0;
-        nativeShowSystemDialogDone(mNativeObject);
+        PrintingContextJni.get().showSystemDialogDone(mNativeObject, PrintingContext.this);
     }
 
-    private native void nativeAskUserForSettingsReply(
-            long nativePrintingContextAndroid, boolean success);
-
-    private native void nativeShowSystemDialogDone(long nativePrintingContextAndroid);
+    @NativeMethods
+    interface Natives {
+        void askUserForSettingsReply(
+                long nativePrintingContextAndroid, PrintingContext caller, boolean success);
+        void showSystemDialogDone(long nativePrintingContextAndroid, PrintingContext caller);
+    }
 }