Putting back: Add point-based UV coordinate on TextureLayer

Revert "Revert 177288"

[email protected]

This reverts commit 3543975945a5667aa3fb48c6d0e1b6312d1ed293.

BUG=168927

Review URL: https://chromiumcodereview.appspot.com/11902005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@177541 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/cc/software_renderer.cc b/cc/software_renderer.cc
index 785ed6b..11466da 100644
--- a/cc/software_renderer.cc
+++ b/cc/software_renderer.cc
@@ -259,7 +259,9 @@
     // FIXME: Add support for non-premultiplied alpha.
     ResourceProvider::ScopedReadLockSoftware lock(m_resourceProvider, quad->resource_id);
     const SkBitmap* bitmap = lock.skBitmap();
-    gfx::RectF uvRect = gfx::ScaleRect(quad->uv_rect, bitmap->width(), bitmap->height());
+    gfx::RectF uvRect = gfx::ScaleRect(gfx::BoundingRect(quad->uv_top_left, quad->uv_bottom_right),
+                                       bitmap->width(),
+                                       bitmap->height());
     SkRect skUvRect = gfx::RectFToSkRect(uvRect);
     if (quad->flipped)
         m_skCurrentCanvas->scale(1, -1);