Move (Resize|Rotation)ViewportAnchor.* from web/ to core/frame/.

third_party/WebKit/Source/web/ResizeViewportAnchor.cpp

Index: third_party/WebKit/Source/web/ResizeViewportAnchor.cpp
diff --git a/third_party/WebKit/Source/web/ResizeViewportAnchor.cpp b/third_party/WebKit/Source/web/ResizeViewportAnchor.cpp
deleted file mode 100644
index 776681e11163107f0af61a4eeeef3e9e967cff85..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/web/ResizeViewportAnchor.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-// Copyright 2015 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 "web/ResizeViewportAnchor.h"
-
-#include "core/frame/FrameView.h"
-#include "core/frame/RootFrameViewport.h"
-#include "core/frame/VisualViewport.h"
-#include "core/page/Page.h"
-#include "platform/geometry/DoubleRect.h"
-#include "platform/geometry/FloatSize.h"
-
-namespace blink {
-
-void ResizeViewportAnchor::ResizeFrameView(IntSize size) {
-  FrameView* frame_view = RootFrameView();
-  DCHECK(frame_view);
-
-  ScrollableArea* root_viewport = frame_view->GetScrollableArea();
-  ScrollOffset offset = root_viewport->GetScrollOffset();
-
-  frame_view->Resize(size);
-  drift_ += root_viewport->GetScrollOffset() - offset;
-}
-
-void ResizeViewportAnchor::EndScope() {
-  if (--scope_count_ > 0)
-    return;
-
-  FrameView* frame_view = RootFrameView();
-  if (!frame_view)
-    return;
-
-  ScrollOffset visual_viewport_in_document =
-      frame_view->GetScrollableArea()->GetScrollOffset() - drift_;
-
-  // TODO(bokan): Don't use RootFrameViewport::setScrollPosition since it
-  // assumes we can just set a sub-pixel precision offset on the FrameView.
-  // While we "can" do this, the offset that will be shipped to CC will be the
-  // truncated number and this class is used to handle TopControl movement
-  // which needs the two threads to match exactly pixel-for-pixel. We can
-  // replace this with RFV::setScrollPosition once Blink is sub-pixel scroll
-  // offset aware. crbug.com/414283.
-  DCHECK(frame_view->GetRootFrameViewport());
-  frame_view->GetRootFrameViewport()->RestoreToAnchor(
-      visual_viewport_in_document);
-
-  drift_ = ScrollOffset();
-}
-
-FrameView* ResizeViewportAnchor::RootFrameView() {
-  if (Frame* frame = page_->MainFrame()) {
-    if (frame->IsLocalFrame())
-      return ToLocalFrame(frame)->View();
-  }
-  return nullptr;
-}
-
-}  // namespace blink