blimp: Move BlimpCompositor to use delegated rendering.

blimp/client/public/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 # Only //chrome should ever depend on this. Code in //blimp/client/* should
 # instead use //blimp/client/public:public_headers directly. This target
 # differs from :public_headers by pulling in the appropriate implementation
 # as well as the headers.
 group("public") {
   visibility = [ "//chrome/*" ]
 
   deps = [
     ":public_headers",
     "//blimp/client/core:core_shim",
   ]
 }
 
 # All code in //blimp/client/* should depend on this target instead of
 # //blimp/client/public to ensure there are no circular dependencies or
 # duplicate symbols regardless of whether enable_blimp_client is set or not.
 source_set("public_headers") {
-  visibility = [ "//blimp/client/*" ]
+  visibility = [
+    "//blimp/client/*",
+    "//blimp/test/*",
+  ]
 
   sources = [
     "blimp_client_context.h",
     "blimp_client_context_delegate.h",
     "contents/blimp_contents.h",
     "contents/blimp_contents_observer.cc",
     "contents/blimp_contents_observer.h",
     "contents/blimp_navigation_controller.h",
     "session/assignment.cc",
     "session/assignment.h",
@@ skipping 52 matching lines @@
   }
 
   java_cpp_enum("public_headers_java_enums_srcjar") {
     visibility = [ ":*" ]
 
     sources = [
       "session/assignment.h",
     ]
   }
 }