Revert "[Third time landing] Python implementation of sync server, for testing."

chrome/chrome.gyp

Index: chrome/chrome.gyp
diff --git a/chrome/chrome.gyp b/chrome/chrome.gyp
index 86af93ceb747706810cde46bdf0ad893d532e94e..35d7319a523548f82fbf6e9d6012763f1d18e5ab 100644
--- a/chrome/chrome.gyp
+++ b/chrome/chrome.gyp
@@ -689,10 +689,61 @@
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/libjingle/libjingle.gyp:libjingle',
         '../third_party/sqlite/sqlite.gyp:sqlite',
-        'browser/sync/protocol/sync_proto.gyp:sync_proto_cpp',
         'common_constants',
         'notifier',
         'sync',
+        'sync_proto',
+      ],
+    },
+    {
+      # Protobuf compiler / generate rule for sync.proto
+      'target_name': 'sync_proto',
+      'type': 'none',
+      'sources': [
+        'browser/sync/protocol/sync.proto',
+        'browser/sync/protocol/autofill_specifics.proto',
+        'browser/sync/protocol/bookmark_specifics.proto',
+        'browser/sync/protocol/preference_specifics.proto',
+        'browser/sync/protocol/theme_specifics.proto',
+        'browser/sync/protocol/typed_url_specifics.proto',
+      ],
+      'rules': [
+        {
+          'rule_name': 'genproto',
+          'extension': 'proto',
+          'inputs': [
+            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)protoc<(EXECUTABLE_SUFFIX)',
+          ],
+          'variables': {
+            # The protoc compiler requires a proto_path argument with the
+            # directory containing the .proto file.
+            # There's no generator variable that corresponds to this, so fake it.
+            'rule_input_relpath': 'browser/sync/protocol',
+          },
+          'outputs': [
+            '<(protoc_out_dir)/chrome/<(rule_input_relpath)/<(RULE_INPUT_ROOT).pb.h',
+            '<(protoc_out_dir)/chrome/<(rule_input_relpath)/<(RULE_INPUT_ROOT).pb.cc',
+          ],
+          'action': [
+            '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)protoc<(EXECUTABLE_SUFFIX)',
+            '--proto_path=./<(rule_input_relpath)',
+            './<(rule_input_relpath)/<(RULE_INPUT_ROOT)<(RULE_INPUT_EXT)',
+            '--cpp_out=<(protoc_out_dir)/chrome/<(rule_input_relpath)',
+          ],
+          'message': 'Generating C++ code from <(RULE_INPUT_PATH)',
+        },
+      ],
+      'dependencies': [
+        '../third_party/protobuf2/protobuf.gyp:protobuf_lite',
+        '../third_party/protobuf2/protobuf.gyp:protoc#host',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '<(protoc_out_dir)',
+        ]
+      },
+      'export_dependent_settings': [
+        '../third_party/protobuf2/protobuf.gyp:protobuf_lite',
       ],
     },
     {
@@ -785,7 +836,7 @@
         '../net/net.gyp:net',
         '../third_party/expat/expat.gyp:expat',
         '../third_party/libjingle/libjingle.gyp:libjingle',
-        'browser/sync/protocol/sync_proto.gyp:sync_proto_cpp',
+        'sync_proto',
       ],
       'conditions': [
         ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
@@ -939,8 +990,7 @@
       'dependencies': [
         '../skia/skia.gyp:skia',
         '../third_party/libjingle/libjingle.gyp:libjingle',
-        'browser/sync/protocol/sync_proto.gyp:sync_proto_cpp',
-        '../third_party/protobuf2/protobuf.gyp:protobuf_lite#target',
+        'sync_proto',
       ],
       'conditions': [
         ['OS=="win"', {