Refactor partial interface resolving and merging into InterfaceMerger.pm

Source/bindings/derived_sources.gyp

Index: Source/bindings/derived_sources.gyp
diff --git a/Source/bindings/derived_sources.gyp b/Source/bindings/derived_sources.gyp
index 6f56264be3606211f2d2d402b5cf92833ca43fb0..e15a9eebe0e0394e84d08865828e9d4a398b087f 100644
--- a/Source/bindings/derived_sources.gyp
+++ b/Source/bindings/derived_sources.gyp
@@ -94,7 +94,7 @@
   },
 
   'targets': [{
-    'target_name': 'supplemental_dependencies',
+    'target_name': 'idl_dependencies',
     'type': 'none',
     'actions': [{
       'action_name': 'generatePartialInterfacesDependency',
@@ -109,7 +109,7 @@
         '<!@(cat <(idl_files_list))',
        ],
        'outputs': [
-         '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+         '<(SHARED_INTERMEDIATE_DIR)/idl_dependencies.tmp',
          '<(SHARED_INTERMEDIATE_DIR)/DOMWindowConstructors.idl',
        ],
        'msvs_cygwin_shell': 0,
@@ -119,7 +119,7 @@
          '--idl-files-list',
          '<(idl_files_list)',
          '--supplemental-dependency-file',
-         '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+         '<(SHARED_INTERMEDIATE_DIR)/idl_dependencies.tmp',
          '--window-constructors-file',
          '<(SHARED_INTERMEDIATE_DIR)/DOMWindowConstructors.idl',
          '<@(write_file_only_if_changed)',
@@ -132,7 +132,7 @@
       'type': 'none',
       'hard_dependency': 1,
       'dependencies': [
-        'supplemental_dependencies',
+        'idl_dependencies',
         '../core/core.gyp/core_derived_sources.gyp:generate_test_support_idls',
       ],
       'sources': [
@@ -143,7 +143,7 @@
         'action_name': 'derived_sources_all_in_one',
         'inputs': [
           '../core/core.gyp/scripts/action_derivedsourcesallinone.py',
-          '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+          '<(SHARED_INTERMEDIATE_DIR)/idl_dependencies.tmp',
         ],
         'outputs': [
           '<@(derived_sources_aggregate_files)',
@@ -151,7 +151,7 @@
         'action': [
           'python',
           '../core/core.gyp/scripts/action_derivedsourcesallinone.py',
-          '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+          '<(SHARED_INTERMEDIATE_DIR)/idl_dependencies.tmp',
           '--',
           '<@(derived_sources_aggregate_files)',
         ],
@@ -164,6 +164,7 @@
           'scripts/generate-bindings.pl',
           'scripts/CodeGeneratorV8.pm',
           'scripts/IDLParser.pm',
+          'scripts/InterfaceMerger.pm',
           'scripts/IDLAttributes.txt',
           '../core/scripts/preprocessor.pm',
           '<!@pymod_do_main(supplemental_idl_files <@(idl_files))',
@@ -205,8 +206,8 @@
           '--defines',
           '<(feature_defines)',
           '<@(generator_include_dirs)',
-          '--supplementalDependencyFile',
-          '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+          '--dependenciesFile',
+          '<(SHARED_INTERMEDIATE_DIR)/idl_dependencies.tmp',
           '--additionalIdlFiles',
           '<(webcore_test_support_idl_files)',
           '<(RULE_INPUT_PATH)',