[inspector] change implementation file extension from cpp to cc

src/inspector/v8-debugger-script.cc

Index: src/inspector/v8-debugger-script.cc
diff --git a/src/inspector/V8DebuggerScript.cpp b/src/inspector/v8-debugger-script.cc
similarity index 97%
rename from src/inspector/V8DebuggerScript.cpp
rename to src/inspector/v8-debugger-script.cc
index 49f2e7dea263831fb975ba86223f508860e6f3c9..c7e2be4834bebb44cdb2c1f7b4149668b71f3077 100644
--- a/src/inspector/V8DebuggerScript.cpp
+++ b/src/inspector/v8-debugger-script.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "src/inspector/V8DebuggerScript.h"
+#include "src/inspector/v8-debugger-script.h"
 
-#include "src/inspector/ProtocolPlatform.h"
-#include "src/inspector/StringUtil.h"
+#include "src/inspector/protocol-platform.h"
+#include "src/inspector/string-util.h"
 
 namespace v8_inspector {