cc: Stop using drawableContentRect for occlusion.

cc/gl_renderer_pixeltest.cc

Index: cc/gl_renderer_pixeltest.cc
diff --git a/cc/gl_renderer_pixeltest.cc b/cc/gl_renderer_pixeltest.cc
index 1c63777dfbb84fe2cb801478f117c98bc4597ac5..3507d774f3cacfca3a6aa379f720deaa0d0096d9 100644
--- a/cc/gl_renderer_pixeltest.cc
+++ b/cc/gl_renderer_pixeltest.cc
@@ -93,14 +93,12 @@ scoped_ptr<RenderPass> CreateTestRenderPass(RenderPass::Id id, gfx::Rect rect) {
 scoped_ptr<SharedQuadState> CreateTestSharedQuadState(
     gfx::Transform content_to_target_transform, gfx::Rect rect) {
   const gfx::Rect visible_content_rect = rect;
-  const gfx::Rect clipped_rect_in_target = rect;
   const gfx::Rect clip_rect = rect;
   const bool is_clipped = false;
   const float opacity = 1.0f;
   scoped_ptr<SharedQuadState> shared_state = SharedQuadState::Create();
   shared_state->SetAll(content_to_target_transform,
                        visible_content_rect,
-                       clipped_rect_in_target,
                        clip_rect,
                        is_clipped,
                        opacity);