blimp: Move BlimpCompositor to use delegated rendering.

blimp/client/core/compositor/BUILD.gn

Index: blimp/client/core/compositor/BUILD.gn
diff --git a/blimp/client/core/compositor/BUILD.gn b/blimp/client/core/compositor/BUILD.gn
index 07a13e856aefdcae308b4523345ac2d758b75706..d094b7957c0f62bfda50c5efaaa3d1411f884fd1 100644
--- a/blimp/client/core/compositor/BUILD.gn
+++ b/blimp/client/core/compositor/BUILD.gn
@@ -30,6 +30,19 @@ source_set("compositor") {
   ]
 }
 
+source_set("compositor_support") {

[David Trainor- moved to gerrit, 2016/08/24 23:09:33]

Can we remove this and put these in the "compositor" target above?

[Khushal, 2016/08/25 02:35:38]

Done.

+  sources = [
+    "blimp_output_surface.h",
+    "delegated_output_surface.cc",
+    "delegated_output_surface.h",
+  ]
+
+  public_deps = [
+    "//base",
+    "//cc",
+  ]
+}
+
 source_set("unit_tests") {
   visibility = [ "//blimp/client/core:unit_tests" ]
 
@@ -37,11 +50,14 @@ source_set("unit_tests") {
 
   sources = [
     "blimp_client_picture_cache_unittest.cc",
+    "delegated_output_surface_unittest.cc",
   ]
 
   deps = [
     ":compositor",
+    ":compositor_support",
     "//blimp/test:support",
+    "//cc:test_support",
     "//skia",
     "//testing/gtest",
   ]