Blimp: create MessageDispatcher class.

testing/buildbot/chromium.linux.json

Index: testing/buildbot/chromium.linux.json
diff --git a/testing/buildbot/chromium.linux.json b/testing/buildbot/chromium.linux.json
index 8ff30ea63454ec2066b31328a3333211dc818ce6..02de2a974933cd8e88875b473952ce66081add71 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -9,6 +9,9 @@
     ],
     "gtest_tests": [
       {
+        "test": "blimp_common_unit_tests"
+      },
+      {
         "test": "html_viewer_unittests"
       },
       {
@@ -270,6 +273,12 @@
       },
       {
         "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "blimp_common_unit_tests"

[Dirk Pranke, 2015/10/01 00:14:03]

We should not be adding anything to the "Linux GN" bots, because they're going
away. 
Adding them to "Linux Tests" (which you're doing) is sufficient.

+      },
+      {
+        "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 5
         },
@@ -690,6 +699,12 @@
       },
       {
         "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "blimp_common_unit_tests"
+      },
+      {
+        "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 5
         },