Rename deprecated "supplemental_dependencies" and clean up IDL dependency script

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 842bb194ddf909816e01c24ce19008f3a9f983f2..35d44d8ec3d83c44824fcbeb6846465ce99d549f 100644
--- a/Source/bindings/derived_sources.gyp
+++ b/Source/bindings/derived_sources.gyp
@@ -100,33 +100,33 @@
   },
 
   'targets': [{
-    'target_name': 'supplemental_dependencies',
+    'target_name': 'interface_dependencies',
     'type': 'none',
     'actions': [{
-      'action_name': 'generatePartialInterfacesDependency',
+      'action_name': 'compute_interface_dependencies',
       'variables': {
         # Write sources into a file, so that the action command line won't
         # exceed OS limits.
         'idl_files_list': '<|(idl_files_list.tmp <@(idl_files))',
       },
       'inputs': [
-        'scripts/preprocess_idls.py',
+        'scripts/compute_dependencies.py',
         '<(idl_files_list)',
         '<!@(cat <(idl_files_list))',
        ],
        'outputs': [
-         '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+         '<(SHARED_INTERMEDIATE_DIR)/InterfaceDependencies.txt',
          '<@(generated_global_constructors_idl_files)',
          '<(SHARED_INTERMEDIATE_DIR)/EventNames.in',
        ],
        'msvs_cygwin_shell': 0,
        'action': [
          'python',
-         'scripts/preprocess_idls.py',
+         'scripts/compute_dependencies.py',
          '--idl-files-list',
          '<(idl_files_list)',
-         '--supplemental-dependency-file',
-         '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+         '--interface-dependencies-file',
+         '<(SHARED_INTERMEDIATE_DIR)/InterfaceDependencies.txt',
          '--window-constructors-file',
          '<(SHARED_INTERMEDIATE_DIR)/WindowConstructors.idl',
          '--workerglobalscope-constructors-file',
@@ -149,7 +149,7 @@
       # https://code.google.com/p/gyp/wiki/InputFormatReference#Linking_Dependencies
       'hard_dependency': 1,
       'dependencies': [
-        'supplemental_dependencies',
+        'interface_dependencies',
         '../core/core_derived_sources.gyp:generate_test_support_idls',
       ],
       'sources': [
@@ -169,11 +169,14 @@
           'scripts/IDLAttributes.txt',
           # FIXME: If the dependency structure changes, we rebuild all files,
           # since we're not computing dependencies file-by-file in the build.
-          '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+          '<(SHARED_INTERMEDIATE_DIR)/InterfaceDependencies.txt',
           # FIXME: Similarly, if any partial interface changes, rebuild
           # everything, since every IDL potentially depends on them, because
           # we're not computing dependencies file-by-file.
-          '<!@pymod_do_main(supplemental_idl_files <@(idl_files))',
+          #
+          # If a new partial interface is added, need to regyp to update these
+          # dependencies, as these are computed statically at gyp runtime.
+          '<!@pymod_do_main(list_idl_files_with_partial_interface <@(idl_files))',
           # Generated IDLs are all partial interfaces, hence everything
           # potentially depends on them.
           '<@(generated_global_constructors_idl_files)',
@@ -212,8 +215,8 @@
           '<(feature_defines)',
           '<@(generator_include_dirs)',
           '<@(extra_blink_generator_include_dirs)',
-          '--supplementalDependencyFile',
-          '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+          '--interfaceDependenciesFile',
+          '<(SHARED_INTERMEDIATE_DIR)/InterfaceDependencies.txt',
           '--additionalIdlFiles',
           '<(webcore_test_support_idl_files)',
           '<@(preprocessor)',
@@ -227,14 +230,14 @@
       'target_name': 'bindings_derived_sources',
       'type': 'none',
       'dependencies': [
-        'supplemental_dependencies',
+        'interface_dependencies',
         'bindings_sources',
       ],
       'actions': [{
         'action_name': 'derived_sources_all_in_one',
         'inputs': [
           '../core/scripts/action_derivedsourcesallinone.py',
-          '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+          '<(SHARED_INTERMEDIATE_DIR)/InterfaceDependencies.txt',
         ],
         'outputs': [
           '<@(derived_sources_aggregate_files)',
@@ -242,7 +245,7 @@
         'action': [
           'python',
           '../core/scripts/action_derivedsourcesallinone.py',
-          '<(SHARED_INTERMEDIATE_DIR)/supplemental_dependency.tmp',
+          '<(SHARED_INTERMEDIATE_DIR)/InterfaceDependencies.txt',
           '--',
           '<@(derived_sources_aggregate_files)',
         ],