cc: Add point-based UV coordinate on TextureLayer

cc/heads_up_display_layer_impl.cc

Index: cc/heads_up_display_layer_impl.cc
diff --git a/cc/heads_up_display_layer_impl.cc b/cc/heads_up_display_layer_impl.cc
index 177f349558981a9a7d302b80ad99d555fb2c584b..d6de9cb8af75f192ca071a97090ed86915c0b140 100644
--- a/cc/heads_up_display_layer_impl.cc
+++ b/cc/heads_up_display_layer_impl.cc
@@ -91,11 +91,12 @@ void HeadsUpDisplayLayerImpl::appendQuads(QuadSink& quadSink, AppendQuadsData& a
     gfx::Rect quadRect(gfx::Point(), bounds());
     gfx::Rect opaqueRect(contentsOpaque() ? quadRect : gfx::Rect());
     bool premultipliedAlpha = true;
-    gfx::RectF uvRect(0, 0, 1, 1);
+    gfx::PointF uv_top_left(0, 0);
+    gfx::PointF uv_bottom_right(1, 1);
     const float vertex_opacity[] = {1.0f, 1.0f, 1.0f, 1.0f};
     bool flipped = false;
     scoped_ptr<TextureDrawQuad> quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, quadRect, opaqueRect, m_hudTexture->id(), premultipliedAlpha, uvRect, vertex_opacity, flipped);
+    quad->SetNew(sharedQuadState, quadRect, opaqueRect, m_hudTexture->id(), premultipliedAlpha, uv_top_left, uv_bottom_right, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 }