Miscelleanous fixes for HiDPI issues in plugins.

content/browser/renderer_host/legacy_render_widget_host_win.cc

 // Copyright (c) 2014 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/legacy_render_widget_host_win.h"
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/win/windows_version.h"
 #include "content/browser/accessibility/browser_accessibility_manager_win.h"
 #include "content/browser/accessibility/browser_accessibility_win.h"
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/common/content_switches.h"
 #include "ui/base/touch/touch_enabled.h"
 #include "ui/base/view_prop.h"
 #include "ui/base/win/internal_constants.h"
 #include "ui/base/win/window_event_target.h"
 #include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/win/dpi.h"
 
 namespace content {
 
 // A custom MSAA object id used to determine if a screen reader or some
 // other client is listening on MSAA events - if so, we enable full web
 // accessibility support.
 const int kIdScreenReaderHoneyPot = 1;
 
 LegacyRenderWidgetHostHWND::~LegacyRenderWidgetHostHWND() {
   ::DestroyWindow(hwnd());
@@ skipping 43 matching lines @@
 
 void LegacyRenderWidgetHostHWND::Show() {
   ::ShowWindow(hwnd(), SW_SHOW);
 }
 
 void LegacyRenderWidgetHostHWND::Hide() {
   ::ShowWindow(hwnd(), SW_HIDE);
 }
 
 void LegacyRenderWidgetHostHWND::SetBounds(const gfx::Rect& bounds) {
-  ::SetWindowPos(hwnd(), NULL, bounds.x(), bounds.y(), bounds.width(),
-                  bounds.height(), 0);
+  gfx::Rect bounds_in_pixel = gfx::win::DIPToScreenRect(bounds);
+  ::SetWindowPos(hwnd(), NULL, bounds_in_pixel.x(), bounds_in_pixel.y(),
+                 bounds_in_pixel.width(), bounds_in_pixel.height(), 0);
 }
 
 void LegacyRenderWidgetHostHWND::OnFinalMessage(HWND hwnd) {
   if (manager_)
     manager_->OnAccessibleHwndDeleted();
 }
 
 LegacyRenderWidgetHostHWND::LegacyRenderWidgetHostHWND(HWND parent)
     : manager_(NULL),
       mouse_tracking_enabled_(false) {
@@ skipping 224 matching lines @@
   // generate the legacy WM_VSCROLL/WM_HSCROLL messages.
   // We add these styles to ensure that trackpad/trackpoint scrolling
   // work.
   long current_style = ::GetWindowLong(hwnd(), GWL_STYLE);
   ::SetWindowLong(hwnd(), GWL_STYLE,
                   current_style | WS_VSCROLL | WS_HSCROLL);
   return 0;
 }
 
 }  // namespace content