cc: Move computing borderless max texture size to function.

cc/base/tiling_data.h

Index: cc/base/tiling_data.h
diff --git a/cc/base/tiling_data.h b/cc/base/tiling_data.h
index 3c3937db81541378eb71cdae42ca419e07af0bf0..2e392ce3e74da10b5778cfced59f3a50e60ce95d 100644
--- a/cc/base/tiling_data.h
+++ b/cc/base/tiling_data.h
@@ -27,6 +27,8 @@ class CC_EXPORT TilingData {
   TilingData(const gfx::Size& max_texture_size,
              const gfx::Size& tiling_size,
              int border_texels);
+  TilingData(const TilingData& other);
+  ~TilingData();
 
   gfx::Size tiling_size() const { return tiling_size_; }
   void SetTilingSize(const gfx::Size& tiling_size);
@@ -234,6 +236,7 @@ class CC_EXPORT TilingData {
   gfx::Size max_texture_size_;
   gfx::Size tiling_size_;
   int border_texels_;
+  gfx::Size borderless_max_texture_size_;
 
   // These are computed values.
   int num_tiles_x_;