Revert of Decouple ScreenMetricsEmulator From RenderWidget (patchset #9 id:160001 of https://codereview.chromium.org/1675783002/ )

Reason for revert:
speculative revert: http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=inspector/elements/styles-4/styles-update-links.html

Original issue's description:
> Decouple ScreenMetricsEmulator From RenderWidget
>
> This is part of the ongoing effort to thin down RenderWidget to be just IPC transport.
> Started in http://crrev.com/1599583002
>
> BUG=577321

TBR=dgozman@chromium.org,fsamuel@chromium.org,jam@chromium.org,mfomitchev@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=577321

Review URL: https://codereview.chromium.org/1692083003

Cr-Commit-Position: refs/heads/master@{#375078}

1 files changed, 0 insertions, 88 deletions

diff --git a/content/renderer/devtools/render_widget_screen_metrics_emulator.h b/content/renderer/devtools/render_widget_screen_metrics_emulator.h
deleted file mode 100644
index 8288dfa..0000000
--- a/content/renderer/devtools/render_widget_screen_metrics_emulator.h
+++ /dev/null
@@ -1,88 +0,0 @@
-// Copyright 2016 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.
-
-#ifndef CONTENT_RENDERER_DEVTOOLS_RENDER_WIDGET_SCREEN_METRICS_EMULATOR_H_
-#define CONTENT_RENDERER_DEVTOOLS_RENDER_WIDGET_SCREEN_METRICS_EMULATOR_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "content/common/resize_params.h"
-#include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
-
-namespace gfx {
-class PointF;
-class Rect;
-}
-
-namespace content {
-
-class RenderWidgetScreenMetricsEmulatorDelegate;
-struct ContextMenuParams;
-
-// RenderWidgetScreenMetricsEmulator class manages screen emulation inside a
-// RenderWidget. This includes resizing, placing view on the screen at desired
-// position, changing device scale factor, and scaling down the whole
-// widget if required to fit into the browser window.
-class RenderWidgetScreenMetricsEmulator {
- public:
-  RenderWidgetScreenMetricsEmulator(
-      RenderWidgetScreenMetricsEmulatorDelegate* delegate,
-      const blink::WebDeviceEmulationParams& params,
-      const ResizeParams& resize_params,
-      const gfx::Rect& view_screen_rect,
-      const gfx::Rect& window_screen_rect);
-  virtual ~RenderWidgetScreenMetricsEmulator();
-
-  // Scale and offset used to convert between host coordinates
-  // and webwidget coordinates.
-  const gfx::Size& original_size() const {
-    return original_resize_params_.new_size;
-  }
-
-  float scale() const { return scale_; }
-  const gfx::PointF& offset() const { return offset_; }
-  const gfx::Rect& applied_widget_rect() const { return applied_widget_rect_; }
-  const blink::WebScreenInfo& original_screen_info() const {
-    return original_resize_params_.screen_info;
-  }
-  const gfx::Rect& original_screen_rect() const {
-    return original_view_screen_rect_;
-  }
-
-  void ChangeEmulationParams(const blink::WebDeviceEmulationParams& params);
-
-  // The following methods alter handlers' behavior for messages related to
-  // widget size and position.
-  void OnResize(const ResizeParams& params);
-  void OnUpdateScreenRects(const gfx::Rect& view_screen_rect,
-                           const gfx::Rect& window_screen_rect);
-  void OnShowContextMenu(ContextMenuParams* params);
-  gfx::Rect AdjustValidationMessageAnchor(const gfx::Rect& anchor);
-
- private:
-  // Apply original_resize_params_
-  void Apply();
-
-  RenderWidgetScreenMetricsEmulatorDelegate* const delegate_;
-
-  // Parameters as passed by RenderWidget::EnableScreenMetricsEmulation.
-  blink::WebDeviceEmulationParams emulation_params_;
-
-  // The computed scale and offset used to fit widget into browser window.
-  float scale_;
-  gfx::PointF offset_;
-
-  // Widget rect as passed to webwidget.
-  gfx::Rect applied_widget_rect_;
-
-  // Original values to restore back after emulation ends.
-  ResizeParams original_resize_params_;
-  gfx::Rect original_view_screen_rect_;
-  gfx::Rect original_window_screen_rect_;
-
-  DISALLOW_COPY_AND_ASSIGN(RenderWidgetScreenMetricsEmulator);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_DEVTOOLS_RENDER_WIDGET_SCREEN_METRICS_EMULATOR_H_