Set up "Fuchsia Compile" trybot & waterfall bot.

Bug: 745086
Change-Id: Ibf50d8eccd106357d00b955417fd17bfb07c3f20
Reviewed-on: https://chromium-review.googlesource.com/592701
Commit-Queue: John Budorick <jbudorick@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491376}

testing/buildbot/chromium.fyi.json

@@ -10638,6 +10638,23 @@
       }
     ]
   },
+  "Fuchsia Compile": {
+    "additional_compile_targets": [
+      "base_unittests",
+      "crypto_unittests",
+      "gl_unittests",
+      "ipc_tests",
+      "media_unittests",
+      "mojo_common_unittests",
+      "mojo_js_unittests",
+      "mojo_public_bindings_unittests",
+      "mojo_public_system_unittests",
+      "mojo_system_unittests",
+      "net_unittests",
+      "skia_unittests",
+      "ui_base_unittests"
+    ]
+  },
   "Headless Linux (dbg)": {
     "additional_compile_targets": [
       "headless_lib",

tools/mb/mb_config.pyl

@@ -178,6 +178,7 @@
       'EarlGreyiOS': 'ios',
       'Fuchsia': 'release_bot_fuchsia',
       'Fuchsia (dbg)': 'debug_bot_fuchsia',
+      'Fuchsia Compile': 'release_bot_fuchsia',
       'GomaCanaryiOS': 'ios',
       'ios-simulator': 'ios',
       'Headless Linux (dbg)': 'headless_linux_debug_bot',
@@ -521,6 +522,7 @@
       'chromeos_daisy_chromium_compile_only_ng': 'cros_chrome_sdk',
       'closure_compilation': 'closure_compilation',
       'fuchsia': 'release_trybot_fuchsia',
+      'fuchsia_compile': 'release_trybot_fuchsia',
       # TODO(kjellander): Remove linux_arm after tryserver restart.
       'linux_arm': 'release_trybot_arm',
       'linux_arm_dbg': 'debug_trybot_arm',