Relands: Telemetry: hooks "chrome.gpuBenchmarking.smoothScrollBy" with java on android.

content/browser/android/content_view_core_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 589 matching lines @@
   ScopedJavaLocalRef<jobject> java_bitmap =
       gfx::ConvertToJavaBitmap(&zoomed_bitmap);
   DCHECK(!java_bitmap.is_null());
 
   Java_ContentViewCore_showDisambiguationPopup(env,
                                                obj.obj(),
                                                rect_object.obj(),
                                                java_bitmap.obj());
 }
 
+ScopedJavaLocalRef<jobject> ContentViewCoreImpl::CreateSmoothScroller(
+    bool scroll_down, int mouse_event_x, int mouse_event_y) {
+  JNIEnv* env = AttachCurrentThread();
+
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return ScopedJavaLocalRef<jobject>();
+  return Java_ContentViewCore_createSmoothScroller(
+      env, obj.obj(), scroll_down, mouse_event_x, mouse_event_y);
+}
+
 gfx::Rect ContentViewCoreImpl::GetBounds() const {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);
   if (j_obj.is_null())
     return gfx::Rect();
   return gfx::Rect(Java_ContentViewCore_getWidth(env, j_obj.obj()),
                    Java_ContentViewCore_getHeight(env, j_obj.obj()));
 }
 
 void ContentViewCoreImpl::AttachLayer(scoped_refptr<cc::Layer> layer) {
@@ skipping 722 matching lines @@
   if (!HasField(env, clazz, "mNativeContentViewCore", "I")) {
     DLOG(ERROR) << "Unable to find ContentView.mNativeContentViewCore!";
     return false;
   }
   g_native_content_view = GetFieldID(env, clazz, "mNativeContentViewCore", "I");
 
   return RegisterNativesImpl(env) >= 0;
 }
 
 }  // namespace content