Stretching NativeViewHost, and misc tab capture fixes.

ui/views/controls/native/native_view_host.cc

 // Copyright (c) 2012 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 "ui/views/controls/native/native_view_host.h"
 
 #include "base/logging.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/accessibility/native_view_accessibility.h"
@@ skipping 33 matching lines @@
 
 void NativeViewHost::Detach() {
   Detach(false);
 }
 
 void NativeViewHost::SetPreferredSize(const gfx::Size& size) {
   preferred_size_ = size;
   PreferredSizeChanged();
 }
 
+void NativeViewHost::SetRenderingSize(const gfx::Size& size) {
+  rendering_size_ = size;
+  InvalidateLayout();
+}
+
 void NativeViewHost::NativeViewDestroyed() {
   // Detach so we can clear our state and notify the native_wrapper_ to release
   // ref on the native view.
   Detach(true);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeViewHost, View overrides:
 
 gfx::Size NativeViewHost::GetPreferredSize() const {
@@ skipping 21 matching lines @@
     }
   }
 
   if (visible) {
     // Since widgets know nothing about the View hierarchy (they are direct
     // children of the Widget that hosts our View hierarchy) they need to be
     // positioned in the coordinate system of the Widget, not the current
     // view.  Also, they should be positioned respecting the border insets
     // of the native view.
     gfx::Rect local_bounds = ConvertRectToWidget(GetContentsBounds());
-    native_wrapper_->ShowWidget(local_bounds.x(), local_bounds.y(),
-                                local_bounds.width(),
-                                local_bounds.height());
+    gfx::Size rendering_size =
+        rendering_size_.IsEmpty() ? local_bounds.size() : rendering_size_;
+    native_wrapper_->ShowWidget(
+        local_bounds.x(), local_bounds.y(), local_bounds.width(),
+        local_bounds.height(), rendering_size.width(), rendering_size.height());
   } else {
     native_wrapper_->HideWidget();
   }
   fast_resize_at_last_layout_ = visible && fast_resize_;
 }
 
 void NativeViewHost::OnPaint(gfx::Canvas* canvas) {
   // Paint background if there is one. NativeViewHost needs to paint
   // a background when it is hosted in a TabbedPane. For Gtk implementation,
   // NativeTabbedPaneGtk uses a NativeWidgetGtk as page container and because
@@ skipping 102 matching lines @@
   Widget::Widgets widgets;
   Widget::GetAllChildWidgets(native_view(), &widgets);
   for (Widget::Widgets::iterator i = widgets.begin(); i != widgets.end(); ++i) {
     focus_manager->ViewRemoved((*i)->GetRootView());
     if (!focus_manager->GetFocusedView())
       return;
   }
 }
 
 }  // namespace views