Remove .tmpl extension from Jinja templates in core

Source/core/core_derived_sources.gyp

Index: Source/core/core_derived_sources.gyp
diff --git a/Source/core/core_derived_sources.gyp b/Source/core/core_derived_sources.gyp
index 7e09172cdc132b83fd25ef5d9c521ea45eafdd09..b34d41d1686e6225a9a96339820910273b0b6fc4 100644
--- a/Source/core/core_derived_sources.gyp
+++ b/Source/core/core_derived_sources.gyp
@@ -67,8 +67,8 @@
             '<@(scripts_for_in_files)',
             'scripts/make_internal_runtime_flags.py',
             'page/RuntimeEnabledFeatures.in',
-            'scripts/templates/InternalRuntimeFlags.h.tmpl',
-            'scripts/templates/InternalRuntimeFlags.idl.tmpl',
+            'scripts/templates/InternalRuntimeFlags.h',
+            'scripts/templates/InternalRuntimeFlags.idl',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/blink/InternalRuntimeFlags.idl',
@@ -175,8 +175,8 @@
             '<@(scripts_for_in_files)',
             'scripts/make_runtime_features.py',
             'page/RuntimeEnabledFeatures.in',
-            'scripts/templates/RuntimeEnabledFeatures.cpp.tmpl',
-            'scripts/templates/RuntimeEnabledFeatures.h.tmpl',
+            'scripts/templates/RuntimeEnabledFeatures.cpp',
+            'scripts/templates/RuntimeEnabledFeatures.h',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/blink/RuntimeEnabledFeatures.cpp',
@@ -223,8 +223,8 @@
             '<@(scripts_for_in_files)',
             'scripts/make_style_shorthands.py',
             'css/CSSShorthands.in',
-            'scripts/templates/StylePropertyShorthand.h.tmpl',
-            'scripts/templates/StylePropertyShorthand.cpp.tmpl',
+            'scripts/templates/StylePropertyShorthand.h',
+            'scripts/templates/StylePropertyShorthand.cpp',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/blink/StylePropertyShorthand.cpp',
@@ -244,9 +244,9 @@
             '<@(scripts_for_in_files)',
             'scripts/make_style_builder.py',
             'css/CSSProperties.in',
-            'scripts/templates/StyleBuilder.cpp.tmpl',
-            'scripts/templates/StyleBuilderFunctions.h.tmpl',
-            'scripts/templates/StyleBuilderFunctions.cpp.tmpl',
+            'scripts/templates/StyleBuilder.cpp',
+            'scripts/templates/StyleBuilderFunctions.h',
+            'scripts/templates/StyleBuilderFunctions.cpp',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/blink/StyleBuilder.cpp',