Implement DrawQuad StructTraits

cc/ipc/struct_traits_unittest.cc

Index: cc/ipc/struct_traits_unittest.cc
diff --git a/cc/ipc/struct_traits_unittest.cc b/cc/ipc/struct_traits_unittest.cc
index 6c9803e9a055c1ea0e6fc8408be0b0742d89174a..55113890b7b490ae2b47dcbd3624852a44988645 100644
--- a/cc/ipc/struct_traits_unittest.cc
+++ b/cc/ipc/struct_traits_unittest.cc
@@ -5,7 +5,10 @@
 #include "base/message_loop/message_loop.h"
 #include "cc/input/selection.h"
 #include "cc/ipc/traits_test_service.mojom.h"
+#include "cc/quads/debug_border_draw_quad.h"
+#include "cc/quads/render_pass.h"
 #include "cc/quads/render_pass_id.h"
+#include "cc/quads/solid_color_draw_quad.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkString.h"
@@ -49,6 +52,11 @@ class StructTraitsTest : public testing::Test, public mojom::TraitsTestService {
     callback.Run(f);
   }
 
+  void EchoQuadList(const QuadList& q,
+                    const EchoQuadListCallback& callback) override {
+    callback.Run(q);
+  }
+
   void EchoRenderPassId(const RenderPassId& r,
                         const EchoRenderPassIdCallback& callback) override {
     callback.Run(r);
@@ -267,6 +275,44 @@ TEST_F(StructTraitsTest, FilterOperations) {
   }
 }
 
+TEST_F(StructTraitsTest, QuadList) {
+  const DrawQuad::Material material1 = DrawQuad::DEBUG_BORDER;
+  const DrawQuad::Material material2 = DrawQuad::SOLID_COLOR;
+  const gfx::Rect rect1(1234, 4321, 1357, 7531);
+  const gfx::Rect rect2(2468, 8642, 4321, 1234);
+  const int32_t width1 = 1337;
+  const uint32_t color2 = 0xffffffff;
+
+  QuadList input;
+  DebugBorderDrawQuad* debug_quad =
+      input.AllocateAndConstruct<DebugBorderDrawQuad>();
+  debug_quad->material = material1;
+  debug_quad->rect = rect1;
+  debug_quad->width = width1;
+
+  SolidColorDrawQuad* solid_quad =
+      input.AllocateAndConstruct<SolidColorDrawQuad>();
+  solid_quad->material = material2;
+  solid_quad->rect = rect2;
+  solid_quad->color = color2;
+
+  mojom::TraitsTestServicePtr proxy = GetTraitsTestProxy();
+  QuadList output;
+  proxy->EchoQuadList(input, &output);
+
+  ASSERT_EQ(input.size(), output.size());
+
+  ASSERT_EQ(material1, output.ElementAt(0)->material);
+  EXPECT_EQ(rect1, output.ElementAt(0)->rect);
+  EXPECT_EQ(width1,
+            static_cast<DebugBorderDrawQuad*>(output.ElementAt(0))->width);
+
+  ASSERT_EQ(material2, output.ElementAt(1)->material);
+  EXPECT_EQ(rect2, output.ElementAt(1)->rect);
+  EXPECT_EQ(color2,
+            static_cast<SolidColorDrawQuad*>(output.ElementAt(1))->color);
+}
+
 TEST_F(StructTraitsTest, RenderPassId) {
   const int layer_id = 1337;
   const uint32_t index = 0xdeadbeef;