cc: Consolidate the analysis_canvas operations

cc/picture.h

Index: cc/picture.h
diff --git a/cc/picture.h b/cc/picture.h
index 600a22995d9ddb7881c3a0321ea44e4773740f9a..fa57f3f33d29af3fd79f277f36f574c37838858d 100644
--- a/cc/picture.h
+++ b/cc/picture.h
@@ -16,6 +16,10 @@
 #include "third_party/skia/include/core/SkTileGridPicture.h"
 #include "ui/gfx/rect.h"
 
+namespace skia {
+class AnalysisCanvas;
+} // namespace skia

[reveman, 2013/03/07 00:11:28]

nit: "// namespace xxx" comments are usually not used for forward declarations
as it's pretty easy to see what the matching "{" is

+
 namespace cc {
 
 class ContentLayerClient;
@@ -47,10 +51,9 @@ class CC_EXPORT Picture
   // Apply this contents scale and raster the content rect into the canvas.
   void Raster(SkCanvas* canvas, gfx::Rect content_rect, float contents_scale);
 
-  // Estimate the cost of rasterizing. To predict the cost of a particular
-  // call to Raster(), pass this the bounds of the canvas that will
-  // be rastered into.
-  bool IsCheapInRect(const gfx::Rect& layer_rect) const;
+  void AnalyzeInRect(skia::AnalysisCanvas* canvas,
+                     const gfx::Rect& content_rect,
+                     float contents_scale);
 
   void GatherPixelRefs(
       const gfx::Rect& layer_rect,