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 fcc65cd322591770740f1bf690b641fc135eca87..23c6c94cce2d2352575333dc9aed532abd70a369 100644
--- a/blimp/engine/BUILD.gn
+++ b/blimp/engine/BUILD.gn
@@ -390,7 +390,6 @@ 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",
@@ -417,7 +416,6 @@ source_set("common_unit_tests") {
   deps = [
     ":common",
     "//base",
-    "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//components/metrics:metrics",
     "//content/public/browser",
@@ -439,7 +437,6 @@ source_set("feature_unit_tests") {
   deps = [
     ":feature",
     "//base",
-    "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//blimp/common",
     "//blimp/common/proto",
@@ -457,6 +454,22 @@ source_set("feature_unit_tests") {
   ]
 }
 
+source_set("renderer_unit_tests") {
+  testonly = true
+
+  sources = [
+    "renderer/blob_channel_sender_proxy_unittest.cc",
+  ]
+
+  deps = [
+    ":renderer",
+    "//blimp/net:test_support",
+    "//mojo/public",
+    "//testing/gmock",
+    "//testing/gtest",
+  ]
+}
+
 source_set("unit_tests") {
   testonly = true
 
@@ -464,6 +477,7 @@ source_set("unit_tests") {
     ":app_unit_tests",
     ":common_unit_tests",
     ":feature_unit_tests",
+    ":renderer_unit_tests",
   ]
 }