[wasm] Allocate a single script per wasm module

src/wasm/wasm-debug.h

Index: src/wasm/wasm-debug.h
diff --git a/src/wasm/wasm-debug.h b/src/wasm/wasm-debug.h
index be77c88aeee7d4846baff9b1926c9174aaafdf8f..57b63ae4e64b87e32d6a9a149e6b863a89b3bb69 100644
--- a/src/wasm/wasm-debug.h
+++ b/src/wasm/wasm-debug.h
@@ -23,21 +23,6 @@ class WasmDebugInfo : public FixedArray {
 
   bool SetBreakPoint(int byte_offset);
 
-  // Get the Script for the specified function.
-  static Script* GetFunctionScript(Handle<WasmDebugInfo> debug_info,
-                                   int func_index);
-
-  // Disassemble the specified function from this module.
-  static Handle<String> DisassembleFunction(Handle<WasmDebugInfo> debug_info,
-                                            int func_index);
-
-  // Get the offset table for the specified function, mapping from byte offsets
-  // to position in the disassembly.
-  // Returns an array with three entries per instruction: byte offset, line and
-  // column.
-  static Handle<FixedArray> GetFunctionOffsetTable(
-      Handle<WasmDebugInfo> debug_info, int func_index);
-
   // Get the asm.js source position from a byte offset.
   // Must only be called if the associated wasm object was created from asm.js.
   static int GetAsmJsSourcePosition(Handle<WasmDebugInfo> debug_info,