Vend common GL context

ui/gfx/compositor/compositor_win.cc

Index: ui/gfx/compositor/compositor_win.cc
diff --git a/ui/gfx/compositor/compositor_win.cc b/ui/gfx/compositor/compositor_win.cc
index 3afb3c4109a7e68508de45b35fb2bc4cee153f53..b807022fd4dfd4ff6b03516eab24b2cf094df576 100644
--- a/ui/gfx/compositor/compositor_win.cc
+++ b/ui/gfx/compositor/compositor_win.cc
@@ -97,9 +97,6 @@ class CompositorWin : public Compositor {
   void UpdatePerspective(const ui::Transform& transform,
                          const gfx::Size& view_size);
 
-  // Returns the overall size of the compositor.
-  const gfx::Size& GetHostSize();
-
   // Returns the index buffer used for drawing a texture.
   ID3D10Buffer* GetTextureIndexBuffer();
 
@@ -305,7 +302,7 @@ void ViewTexture::ConvertBitmapToD3DData(
 
 void ViewTexture::CreateVertexBuffer(const gfx::Size& size) {
   vertex_buffer_.Release();
-  const gfx::Size& host_size = compositor_->GetHostSize();
+  const gfx::Size& host_size = compositor_->size();
   float x = static_cast<float>(host_size.width()) / 2.0f;
   float y = static_cast<float>(host_size.height()) / 2.0f;
   float w = static_cast<float>(size.width());
@@ -332,15 +329,15 @@ void ViewTexture::CreateVertexBuffer(const gfx::Size& size) {
 
 CompositorWin::CompositorWin(gfx::AcceleratedWidget widget,
                              const gfx::Size& size)
-    : host_(widget),
-      technique_(NULL),
-      last_size_(size) {
+    : Compositor(size),
+      host_(widget),
+      technique_(NULL) {
 }
 
 void CompositorWin::Init() {
   CreateDevice();
   LoadEffects();
-  Resize(last_size_);
+  Resize(size());
   InitVertexLayout();
   CreateVertexBuffer();
   CreateIndexBuffer();
@@ -387,10 +384,6 @@ void CompositorWin::UpdatePerspective(const ui::Transform& transform,
   fx_->GetVariableByName("gWVP")->AsMatrix()->SetMatrix(wvp);
 }
 
-const gfx::Size& CompositorWin::GetHostSize() {
-  return last_size_;

[sky, 2011/08/24 21:17:08]

I don't think you wired up changing the size correctly for this class.

[jonathan.backer, 2011/08/25 18:57:18]

Done.

-}
-
 ID3D10Buffer* CompositorWin::GetTextureIndexBuffer() {
   return index_buffer_.get();
 }