Allow background tab titles to use LCD AA.

ui/compositor/compositing_recorder.h

Index: ui/compositor/compositing_recorder.h
diff --git a/ui/compositor/compositing_recorder.h b/ui/compositor/compositing_recorder.h
index e50f6927575975815cf087eec6abefce8d805f7d..83528cb76dfd6700223a87bb2e74e5e3137cfc1b 100644
--- a/ui/compositor/compositing_recorder.h
+++ b/ui/compositor/compositing_recorder.h
@@ -26,10 +26,13 @@ class COMPOSITOR_EXPORT CompositingRecorder {
  public:
   // |alpha| is a value between 0 and 255, where 0 is transparent and 255 is
   // opaque. |size_in_context| is the size in the |context|'s space surrounding
-  // everything that's visible.
+  // everything that's visible.  |allow_lcd_text| can be set to true to allow
+  // the underlying Skia layer to use LCD AA for text rendering, if you know the
+  // text is being drawn opaquely on an opaque background before compositing.
   CompositingRecorder(const PaintContext& context,
                       const gfx::Size& size_in_context,
-                      uint8_t alpha);
+                      uint8_t alpha,
+                      bool allow_lcd_text);

[danakj, 2015/12/11 19:07:00]

same comment about the name here

   ~CompositingRecorder();
 
  private: