cleanup: Cleanup the TileImageInt APIs

ui/gfx/canvas.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/canvas.h"
 
 #include <cmath>
 #include <limits>
 
 #include "base/i18n/rtl.h"
@@ skipping 473 matching lines @@
   TileImageInt(image, 0, 0, x, y, w, h);
 }
 
 void Canvas::TileImageInt(const ImageSkia& image,
                           int src_x,
                           int src_y,
                           int dest_x,
                           int dest_y,
                           int w,
                           int h,
-                          cc::PaintFlags* flags) {
-  TileImageInt(image, src_x, src_y, 1.0f, 1.0f, dest_x, dest_y, w, h, flags);
-}
-
-void Canvas::TileImageInt(const ImageSkia& image,
-                          int src_x,
-                          int src_y,
-                          float tile_scale_x,
-                          float tile_scale_y,
-                          int dest_x,
-                          int dest_y,
-                          int w,
-                          int h,
+                          float tile_scale,
                           cc::PaintFlags* flags) {
   SkRect dest_rect = { SkIntToScalar(dest_x),
                        SkIntToScalar(dest_y),
                        SkIntToScalar(dest_x + w),
                        SkIntToScalar(dest_y + h) };
   if (!IntersectsClipRect(dest_rect))
     return;
 
   cc::PaintFlags paint_flags;
   if (!flags)
     flags = &paint_flags;
 
-  if (InitPaintFlagsForTiling(image, src_x, src_y, tile_scale_x, tile_scale_y,
+  if (InitPaintFlagsForTiling(image, src_x, src_y, tile_scale, tile_scale,
                               dest_x, dest_y, flags))
     canvas_->drawRect(dest_rect, *flags);
 }
 
 bool Canvas::InitPaintFlagsForTiling(const ImageSkia& image,
                                      int src_x,
                                      int src_y,
                                      float tile_scale_x,
                                      float tile_scale_y,
                                      int dest_x,
@@ skipping 96 matching lines @@
   bitmap_.emplace();
   bitmap_->allocPixels(info);
   // Ensure that the bitmap is zeroed, since the code expects that.
   memset(bitmap_->getPixels(), 0, bitmap_->getSafeSize());
 
   owned_canvas_ = cc::SkiaPaintCanvas(bitmap_.value());
   return &owned_canvas_.value();
 }
 
 }  // namespace gfx