Compress Observatory assets

runtime/bin/bin.gypi

Index: runtime/bin/bin.gypi
diff --git a/runtime/bin/bin.gypi b/runtime/bin/bin.gypi
index 989b9803a820cc6b62b181bd78c77f68dc2a0528..78c5a589f3eb545cb72c86777f0a9ede9adacd5d 100644
--- a/runtime/bin/bin.gypi
+++ b/runtime/bin/bin.gypi
@@ -503,6 +503,7 @@
             '--outer_namespace', 'dart',
             '--inner_namespace', 'bin',
             '--name', 'observatory_assets_archive',
+            '--compress',
             '--client_root', '<(PRODUCT_DIR)/observatory/deployed/web/',
           ],
           'message': 'Generating ''<(observatory_assets_cc_file)'' file.'
@@ -587,6 +588,7 @@
       ],
       'include_dirs': [
         '..',
+        '../../third_party/', # Zlib
       ],
       'sources': [
         'main.cc',
@@ -639,6 +641,7 @@
       ],
       'include_dirs': [
         '..',
+        '../../third_party/', # Zlib
       ],
       'sources': [
         'main.cc',
@@ -682,6 +685,7 @@
       ],
       'include_dirs': [
         '..',
+        '../../third_party/', # Zlib
       ],
       'sources': [
         'main.cc',
@@ -737,6 +741,7 @@
       ],
       'include_dirs': [
         '..',
+        '../../third_party/', # Zlib
       ],
       'sources': [
         'main.cc',