Miscelleanous fixes for HiDPI issues in plugins.

content/browser/renderer_host/legacy_render_widget_host_win.cc

Index: content/browser/renderer_host/legacy_render_widget_host_win.cc
diff --git a/content/browser/renderer_host/legacy_render_widget_host_win.cc b/content/browser/renderer_host/legacy_render_widget_host_win.cc
index 84d95aced8ba6c667138154caec7a8c9a6e2a6e5..b893e0808157e9ff27450d881eea0ff950e65559 100644
--- a/content/browser/renderer_host/legacy_render_widget_host_win.cc
+++ b/content/browser/renderer_host/legacy_render_widget_host_win.cc
@@ -16,6 +16,7 @@
 #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 {
 
@@ -79,8 +80,9 @@ void LegacyRenderWidgetHostHWND::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) {