Implement on demand quad rasterization for PicturePiles.

cc/quads/tile_draw_quad_base.cc

Index: cc/quads/tile_draw_quad_base.cc
diff --git a/cc/quads/tile_draw_quad_base.cc b/cc/quads/tile_draw_quad_base.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6fc5f6294da4c048bfa2ccff482367c0c52b4599
--- /dev/null
+++ b/cc/quads/tile_draw_quad_base.cc
@@ -0,0 +1,50 @@
+// Copyright 2013 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 "cc/quads/tile_draw_quad_base.h"
+
+#include "base/logging.h"
+
+namespace cc {
+
+TileDrawQuadBase::TileDrawQuadBase()
+    : swizzle_contents(false) {
+}
+
+TileDrawQuadBase::~TileDrawQuadBase() {
+}
+
+void TileDrawQuadBase::SetNew(const SharedQuadState* shared_quad_state,
+                              DrawQuad::Material material,
+                              const gfx::Rect& rect,
+                              const gfx::Rect& opaque_rect,
+                              const gfx::RectF& tex_coord_rect,
+                              const gfx::Size& texture_size,
+                              bool swizzle_contents) {
+  const gfx::Rect& visible_rect = rect;
+  bool needs_blending = false;
+  DrawQuad::SetAll(shared_quad_state, material, rect, opaque_rect,
+                   visible_rect, needs_blending);
+  this->tex_coord_rect = tex_coord_rect;
+  this->texture_size = texture_size;
+  this->swizzle_contents = swizzle_contents;
+}
+
+void TileDrawQuadBase::SetAll(const SharedQuadState* shared_quad_state,
+                              DrawQuad::Material material,
+                              const gfx::Rect& rect,
+                              const gfx::Rect& opaque_rect,
+                              const gfx::Rect& visible_rect,
+                              bool needs_blending,
+                              const gfx::RectF& tex_coord_rect,
+                              const gfx::Size& texture_size,
+                              bool swizzle_contents) {
+  DrawQuad::SetAll(shared_quad_state, material, rect, opaque_rect,
+                   visible_rect, needs_blending);
+  this->tex_coord_rect = tex_coord_rect;
+  this->texture_size = texture_size;
+  this->swizzle_contents = swizzle_contents;
+}
+
+}  // namespace cc