move webkit/glue/fling_* to webkit/child

webkit/child/webkitplatformsupport_child_impl.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 "webkit/child/webkitplatformsupport_child_impl.h"
 
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
+#include "webkit/child/fling_curve_configuration.h"
+
+#if defined(OS_ANDROID)
+#include "webkit/child/fling_animator_impl_android.h"
+#endif
+
 namespace webkit_glue {
 
-WebKitPlatformSupportChildImpl::WebKitPlatformSupportChildImpl() {
+WebKitPlatformSupportChildImpl::WebKitPlatformSupportChildImpl()
+    : fling_curve_configuration_(new FlingCurveConfiguration) {}
+
+WebKitPlatformSupportChildImpl::~WebKitPlatformSupportChildImpl() {}
+
+void WebKitPlatformSupportChildImpl::SetFlingCurveParameters(
+    const std::vector<float>& new_touchpad,
+    const std::vector<float>& new_touchscreen) {
+  fling_curve_configuration_->SetCurveParameters(new_touchpad, new_touchscreen);
 }
 
-WebKitPlatformSupportChildImpl::~WebKitPlatformSupportChildImpl() {
+WebKit::WebGestureCurve*
+WebKitPlatformSupportChildImpl::createFlingAnimationCurve(
+    int device_source,
+    const WebKit::WebFloatPoint& velocity,
+    const WebKit::WebSize& cumulative_scroll) {
+#if defined(OS_ANDROID)
+  return FlingAnimatorImpl::CreateAndroidGestureCurve(velocity,
+                                                      cumulative_scroll);
+#endif
+
+  if (device_source == WebKit::WebGestureEvent::Touchscreen)
+    return fling_curve_configuration_->CreateForTouchScreen(velocity,
+                                                            cumulative_scroll);
+
+  return fling_curve_configuration_->CreateForTouchPad(velocity,
+                                                       cumulative_scroll);
 }
 
 }  // namespace webkit_glue