cc: Rename visible_content_rect and content stuff on quads.

cc/surfaces/surface_aggregator_test_helpers.cc

Index: cc/surfaces/surface_aggregator_test_helpers.cc
diff --git a/cc/surfaces/surface_aggregator_test_helpers.cc b/cc/surfaces/surface_aggregator_test_helpers.cc
index b21b37e28d64a63174d135b077e275bf4234c7c7..f7da1a25c84d50f9eb24bc2b628949be078ed99c 100644
--- a/cc/surfaces/surface_aggregator_test_helpers.cc
+++ b/cc/surfaces/surface_aggregator_test_helpers.cc
@@ -26,22 +26,17 @@ void AddTestSurfaceQuad(TestRenderPass* pass,
                         const gfx::Size& surface_size,
                         float opacity,
                         SurfaceId surface_id) {
-  gfx::Transform content_to_target_transform;
-  gfx::Size content_bounds = surface_size;
-  gfx::Rect visible_content_rect = gfx::Rect(surface_size);
+  gfx::Transform layer_to_target_transform;
+  gfx::Size layer_bounds = surface_size;
+  gfx::Rect visible_layer_rect = gfx::Rect(surface_size);
   gfx::Rect clip_rect = gfx::Rect(surface_size);
   bool is_clipped = false;
   SkXfermode::Mode blend_mode = SkXfermode::kSrcOver_Mode;
 
   SharedQuadState* shared_quad_state = pass->CreateAndAppendSharedQuadState();
-  shared_quad_state->SetAll(content_to_target_transform,
-                            content_bounds,
-                            visible_content_rect,
-                            clip_rect,
-                            is_clipped,
-                            opacity,
-                            blend_mode,
-                            0);
+  shared_quad_state->SetAll(layer_to_target_transform, layer_bounds,
+                            visible_layer_rect, clip_rect, is_clipped, opacity,
+                            blend_mode, 0);
 
   SurfaceDrawQuad* surface_quad =
       pass->CreateAndAppendDrawQuad<SurfaceDrawQuad>();