DevTools: remove InjectedScriptHost.idl, implement the binding without generator

Source/devtools/PRESUBMIT.py

Index: Source/devtools/PRESUBMIT.py
diff --git a/Source/devtools/PRESUBMIT.py b/Source/devtools/PRESUBMIT.py
index 8d5d5091c53f701088e073e81cdf31ab3e2af34e..d2fe54158e9f50cb7ae6ca0165393bea07b6aa2c 100644
--- a/Source/devtools/PRESUBMIT.py
+++ b/Source/devtools/PRESUBMIT.py
@@ -42,7 +42,7 @@ def _CompileDevtoolsFrontend(input_api, output_api):
     # FIXME: The compilation does not actually run if injected script-related files
     # have changed, as they reside in core/inspector, which is not affected
     # by this presubmit.
-    # Once this is fixed, InjectedScriptHost.idl and JavaScriptCallFrame.idl
+    # Once this is fixed, injected_script_externs.js
     # should be added to the list of triggers.
     devtools_front_end = input_api.os_path.join("devtools", "front_end")
     if (any(devtools_front_end in path for path in local_paths) or