cc: Avoid pointless gfx::Point/Size contructors when making Rects.

cc/trees/damage_tracker_unittest.cc

Index: cc/trees/damage_tracker_unittest.cc
diff --git a/cc/trees/damage_tracker_unittest.cc b/cc/trees/damage_tracker_unittest.cc
index 610c68fc2953d7ff00bb11e25301c1468dc5cfa3..c0f5d49af23cf2a8b9f2caf8d5d3b1792b077fcb 100644
--- a/cc/trees/damage_tracker_unittest.cc
+++ b/cc/trees/damage_tracker_unittest.cc
@@ -96,8 +96,7 @@ class DamageTrackerTest : public testing::Test {
     root->SetContentBounds(gfx::Size(500, 500));
     root->SetDrawsContent(true);
     root->CreateRenderSurface();
-    root->render_surface()->SetContentRect(
-        gfx::Rect(gfx::Point(), gfx::Size(500, 500)));
+    root->render_surface()->SetContentRect(gfx::Rect(0, 0, 500, 500));
 
     child->SetPosition(gfx::PointF(100.f, 100.f));
     child->SetAnchorPoint(gfx::PointF());
@@ -131,8 +130,7 @@ class DamageTrackerTest : public testing::Test {
     root->SetContentBounds(gfx::Size(500, 500));
     root->SetDrawsContent(true);
     root->CreateRenderSurface();
-    root->render_surface()->SetContentRect(
-        gfx::Rect(gfx::Point(), gfx::Size(500, 500)));
+    root->render_surface()->SetContentRect(gfx::Rect(0, 0, 500, 500));
 
     child1->SetPosition(gfx::PointF(100.f, 100.f));
     child1->SetAnchorPoint(gfx::PointF());