SampleApp: remove SkWindow::onPDFSaved, it does not work

platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp

Index: platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp
diff --git a/platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp b/platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp
index 15f01a94bfb1e35bc4d14c967196e93846a75115..7da4fa81ca8011f40aec93ef6228f7f3a51c782d 100644
--- a/platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp
+++ b/platform_tools/android/apps/sample_app/src/main/jni/com_skia_SkiaSampleRenderer.cpp
@@ -27,13 +27,11 @@ struct ActivityGlue {
     jweak m_obj;
     jmethodID m_setTitle;
     jmethodID m_setSlideList;
-    jmethodID m_addToDownloads;
     ActivityGlue() {
         m_env = nullptr;
         m_obj = nullptr;
         m_setTitle = nullptr;
         m_setSlideList = nullptr;
-        m_addToDownloads = nullptr;
     }
 } gActivityGlue;
 
@@ -122,30 +120,6 @@ void SkOSWindow::onHandleInval(const SkIRect& rect)
     env->CallVoidMethod(gWindowGlue.m_obj, gWindowGlue.m_inval);
 }
 
-void SkOSWindow::onPDFSaved(const char title[], const char desc[],
-        const char path[])
-{
-    JNIEnv* env = gActivityGlue.m_env;
-    if (!env || !gActivityGlue.m_addToDownloads || !gActivityGlue.m_obj) {
-        return;
-    }
-    if (env->IsSameObject(gActivityGlue.m_obj, nullptr)) {
-        SkDebugf("ERROR: The JNI WeakRef to the Activity is invalid");
-        return;
-    }
-
-    jstring jtitle = env->NewStringUTF(title);
-    jstring jdesc = env->NewStringUTF(desc);
-    jstring jpath = env->NewStringUTF(path);
-
-    env->CallVoidMethod(gActivityGlue.m_obj, gActivityGlue.m_addToDownloads,
-            jtitle, jdesc, jpath);
-
-    env->DeleteLocalRef(jtitle);
-    env->DeleteLocalRef(jdesc);
-    env->DeleteLocalRef(jpath);
-}
-
 ///////////////////////////////////////////
 /////////////// SkEvent impl //////////////
 ///////////////////////////////////////////
@@ -198,8 +172,6 @@ JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_init(JNIEnv* env,
     gActivityGlue.m_obj = env->NewWeakGlobalRef(jsampleActivity);
     gActivityGlue.m_setTitle = GetJMethod(env, clazz, "setTitle", "(Ljava/lang/CharSequence;)V");
     gActivityGlue.m_setSlideList = GetJMethod(env, clazz, "setSlideList", "([Ljava/lang/String;)V");
-    gActivityGlue.m_addToDownloads = GetJMethod(env, clazz, "addToDownloads",
-            "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
     env->DeleteLocalRef(clazz);
 
     // setup jni hooks to the java renderer