DevTools: place DevTools WebContents underneath inspected WebContents.

chrome/browser/ui/views/frame/devtools_container.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_VIEWS_FRAME_DEVTOOLS_CONTAINER_H_
+#define CHROME_BROWSER_UI_VIEWS_FRAME_DEVTOOLS_CONTAINER_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ui/views/view.h"
+
+// DevToolsContainer is managing WebContents atop of the DevTools if present.

[pfeldman, 2013/11/18 14:18:27]

I am not sure you should introduce it. it does not do much and is 1:1 with its
container in size.

+// Otherwise, it has the only child: active WebContents.
+class DevToolsContainer : public views::View {
+ public:
+  explicit DevToolsContainer(
+      views::View* contents_view, views::View* devtools_view);
+  virtual ~DevToolsContainer();
+
+  void SetContentsViewOffsets(
+      const gfx::Size& top_left, const gfx::Size& bottom_right);
+
+  // Overridden from views::View:
+  virtual void Layout() OVERRIDE;
+  virtual const char* GetClassName() const OVERRIDE;
+
+ private:
+  views::View* contents_view_;
+  views::View* devtools_view_;
+
+  gfx::Size top_left_;
+  gfx::Size bottom_right_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsContainer);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_DEVTOOLS_CONTAINER_H_