Replace old with new synthetic gesture framework.

content/browser/renderer_host/generic_touch_gesture_android.cc

-// Copyright 2013 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/renderer_host/generic_touch_gesture_android.h"
-
-#include "base/debug/trace_event.h"
-#include "content/browser/renderer_host/render_widget_host_impl.h"
-#include "jni/GenericTouchGesture_jni.h"
-
-namespace {
-bool g_jni_initialized = false;
-
-void RegisterNativesIfNeeded(JNIEnv* env) {
-  if (!g_jni_initialized) {
-    content::RegisterNativesImpl(env);
-    g_jni_initialized = true;
-  }
-}
-}  // namespace
-
-namespace content {
-
-GenericTouchGestureAndroid::GenericTouchGestureAndroid(
-    RenderWidgetHost* rwh,
-    base::android::ScopedJavaLocalRef<jobject> java_touch_gesture)
-    : has_started_(false),
-      has_finished_(false),
-      rwh_(rwh),
-      java_touch_gesture_(java_touch_gesture) {
-  JNIEnv* env = base::android::AttachCurrentThread();
-  RegisterNativesIfNeeded(env);
-}
-
-GenericTouchGestureAndroid::~GenericTouchGestureAndroid() {
-}
-
-bool GenericTouchGestureAndroid::ForwardInputEvents(
-    base::TimeTicks now, RenderWidgetHost* host) {
-  if (!has_started_) {
-    has_started_ = true;
-    JNIEnv* env = base::android::AttachCurrentThread();
-    Java_GenericTouchGesture_start(
-        env, java_touch_gesture_.obj(), reinterpret_cast<intptr_t>(this));
-  }
-
-  return !has_finished_;
-}
-
-float GenericTouchGestureAndroid::GetDelta(
-    JNIEnv* env, jobject obj, float scale) {
-  return synthetic_gesture_calculator_.GetDelta(
-      base::TimeTicks::Now(),
-      RenderWidgetHostImpl::From(rwh_)->GetSyntheticGestureMessageInterval()) *
-      scale;
-}
-
-void GenericTouchGestureAndroid::SetHasFinished(JNIEnv* env, jobject obj) {
-  has_finished_ = true;
-}
-
-}  // namespace content