Bug 1290337 - Part 16: Replace Value parameter to const Value& in dom. r=smaug

dom/canvas/CanvasUtils.cpp

@@ -112,7 +112,7 @@ DoDrawImageSecurityCheck(dom::HTMLCanvasElement *aCanvasElement,
 }
 
 bool
-CoerceDouble(JS::Value v, double* d)
+CoerceDouble(const JS::Value& v, double* d)
 {
     if (v.isDouble()) {
         *d = v.toDouble();

dom/canvas/CanvasUtils.h

@@ -49,7 +49,7 @@ void DoDrawImageSecurityCheck(dom::HTMLCanvasElement *aCanvasElement,
 // Make a double out of |v|, treating undefined values as 0.0 (for
 // the sake of sparse arrays).  Return true iff coercion
 // succeeded.
-bool CoerceDouble(JS::Value v, double* d);
+bool CoerceDouble(const JS::Value& v, double* d);
 
     /* Float validation stuff */
 #define VALIDATE(_f)  if (!IsFinite(_f)) return false

dom/plugins/base/nsJSNPRuntime.cpp

@@ -539,7 +539,7 @@ NPVariantToJSVal(NPP npp, JSContext *cx, const NPVariant *variant)
 }
 
 bool
-JSValToNPVariant(NPP npp, JSContext *cx, JS::Value val, NPVariant *variant)
+JSValToNPVariant(NPP npp, JSContext *cx, const JS::Value& val, NPVariant *variant)
 {
   NS_ASSERTION(npp, "Must have an NPP to wrap a jsval!");
 

dom/plugins/base/nsJSNPRuntime.h

@@ -102,7 +102,7 @@ public:
 };
 
 bool
-JSValToNPVariant(NPP npp, JSContext *cx, JS::Value val, NPVariant *variant);
+JSValToNPVariant(NPP npp, JSContext *cx, const JS::Value& val, NPVariant *variant);
 
 
 #endif // nsJSNPRuntime_h_

dom/workers/WorkerPrivate.cpp

@@ -6655,7 +6655,7 @@ EventTarget::IsOnCurrentThread(bool* aIsOnCurrentThread)
 BEGIN_WORKERS_NAMESPACE
 
 WorkerCrossThreadDispatcher*
-GetWorkerCrossThreadDispatcher(JSContext* aCx, JS::Value aWorker)
+GetWorkerCrossThreadDispatcher(JSContext* aCx, const JS::Value& aWorker)
 {
   if (!aWorker.isObject()) {
     return nullptr;

dom/workers/Workers.h

@@ -348,7 +348,7 @@ public:
 };
 
 WorkerCrossThreadDispatcher*
-GetWorkerCrossThreadDispatcher(JSContext* aCx, JS::Value aWorker);
+GetWorkerCrossThreadDispatcher(JSContext* aCx, const JS::Value& aWorker);
 
 // Random unique constant to facilitate JSPrincipal debugging
 const uint32_t kJSPrincipalsDebugToken = 0x7e2df9d2;