DevTools: Show detailed information for exceptions during snippet execution.

Source/bindings/v8/ScriptDebugServer.h

Index: Source/bindings/v8/ScriptDebugServer.h
diff --git a/Source/bindings/v8/ScriptDebugServer.h b/Source/bindings/v8/ScriptDebugServer.h
index 6677dcf2fc69f945b916fa360c5f9147e122539b..e946056a947e1b98fdfe909f0d2948bfa2170ce3 100644
--- a/Source/bindings/v8/ScriptDebugServer.h
+++ b/Source/bindings/v8/ScriptDebugServer.h
@@ -34,6 +34,7 @@
 #include "InspectorBackendDispatcher.h"
 #include "bindings/v8/ScopedPersistent.h"
 #include "core/inspector/ScriptBreakpoint.h"
+#include "core/inspector/ScriptCallStack.h"
 #include "core/inspector/ScriptDebugListener.h"
 #include <v8-debug.h>
 #include "wtf/HashMap.h"
@@ -97,9 +98,9 @@ public:
     v8::Handle<v8::Value> setFunctionVariableValue(v8::Handle<v8::Value> functionValue, int scopeNumber, const String& variableName, v8::Handle<v8::Value> newValue);
     v8::Local<v8::Value> callDebuggerMethod(const char* functionName, int argc, v8::Handle<v8::Value> argv[]);
 
-    virtual void compileScript(ScriptState*, const String& expression, const String& sourceURL, String* scriptId, String* exceptionMessage);
+    virtual void compileScript(ScriptState*, const String& expression, const String& sourceURL, String* scriptId, String* exceptionMessage, int* lineNumber = 0, int* columnNumber = 0, RefPtr<ScriptCallStack>* stackTrace = 0);

[vsevik, 2014/05/19 12:40:23]

Why do you need this default parameters values?

     virtual void clearCompiledScripts();
-    virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage);
+    virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage, int* lineNumber = 0, int* columnNumber = 0, RefPtr<ScriptCallStack>* stackTrace = 0);
     virtual void setPreprocessorSource(const String&) { }
     virtual void preprocessBeforeCompile(const v8::Debug::EventDetails&) { }
     virtual PassOwnPtr<ScriptSourceCode> preprocess(LocalFrame*, const ScriptSourceCode&);