cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/playback/raster_source_helper.cc

Index: cc/playback/raster_source_helper.cc
diff --git a/cc/playback/raster_source_helper.cc b/cc/playback/raster_source_helper.cc
index bd5edda07c3933485fabc2c5a2c4494dbe4ceada..3655ba3cb9e749bddc443e3ad0259cd5fdbde3c5 100644
--- a/cc/playback/raster_source_helper.cc
+++ b/cc/playback/raster_source_helper.cc
@@ -60,7 +60,7 @@ void RasterSourceHelper::PrepareForPlaybackToCanvas(
     // texel (since the recording won't cover it) and outside the last texel
     // (due to linear filtering when using this texture).
     gfx::Rect content_rect =
-        gfx::ToEnclosingRect(gfx::ScaleRect(source_rect, contents_scale));
+        gfx::ScaleToEnclosingRect(source_rect, contents_scale);
 
     // The final texel of content may only be partially covered by a
     // rasterization; this rect represents the content rect that is fully