Use shared memory for moving data over BlobChannel Mojo interface.

blimp/engine/BUILD.gn

Index: blimp/engine/BUILD.gn
diff --git a/blimp/engine/BUILD.gn b/blimp/engine/BUILD.gn
index a98c5c8f9319239e5b7d9e349961d40b528d2b5c..e7201b309fb5bc83e857a6dafda711c8cb2bd5a7 100644
--- a/blimp/engine/BUILD.gn
+++ b/blimp/engine/BUILD.gn
@@ -392,7 +392,6 @@ source_set("app_unit_tests") {
     ":app_net",
     ":app_settings",
     "//base",
-    "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//blimp/common",
     "//blimp/common:test_support",
@@ -419,7 +418,6 @@ source_set("common_unit_tests") {
   deps = [
     ":common",
     "//base",
-    "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//components/metrics:metrics",
     "//content/public/browser",
@@ -441,7 +439,6 @@ source_set("feature_unit_tests") {
   deps = [
     ":feature",
     "//base",
-    "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//blimp/common",
     "//blimp/common/proto",
@@ -459,6 +456,27 @@ source_set("feature_unit_tests") {
   ]
 }
 
+source_set("renderer_unit_tests") {
+  testonly = true
+
+  sources = [
+    "renderer/blob_channel_sender_proxy_unittest.cc",
+  ]
+
+  deps = [
+    ":renderer",
+    "//base",
+    "//blimp/common",
+    "//blimp/common:test_support",
+    "//blimp/engine:blob_channel_mojo_cpp_sources",
+    "//blimp/engine:blob_channel_service",
+    "//blimp/net:test_support",
+    "//mojo/public",
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
+}
+
 source_set("unit_tests") {
   testonly = true
 
@@ -466,6 +484,7 @@ source_set("unit_tests") {
     ":app_unit_tests",
     ":common_unit_tests",
     ":feature_unit_tests",
+    ":renderer_unit_tests",
   ]
 }