[oilpan] Fix NPObject bindings by not using HandleScopes in WebBindings for non-webcore specific me…

Source/WebKit/chromium/src/WebBindings.cpp

Index: Source/WebKit/chromium/src/WebBindings.cpp
diff --git a/Source/WebKit/chromium/src/WebBindings.cpp b/Source/WebKit/chromium/src/WebBindings.cpp
index 537e2533bcfa470bcfd1552d20f8ad63c36d3fab..d03f0a794bf60b7f67624f3c41e6290cbc88f2c2 100644
--- a/Source/WebKit/chromium/src/WebBindings.cpp
+++ b/Source/WebKit/chromium/src/WebBindings.cpp
@@ -63,7 +63,8 @@ bool WebBindings::construct(NPP npp, NPObject* object, const NPVariant* args, ui
 
 NPObject* WebBindings::createObject(NPP npp, NPClass* npClass)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_CreateObject(npp, npClass);
 }
 
@@ -87,7 +88,8 @@ bool WebBindings::evaluateHelper(NPP npp, bool popupsAllowed, NPObject* object,
 
 NPIdentifier WebBindings::getIntIdentifier(int32_t number)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_GetIntIdentifier(number);
 }
 
@@ -99,13 +101,15 @@ bool WebBindings::getProperty(NPP npp, NPObject* object, NPIdentifier property,
 
 NPIdentifier WebBindings::getStringIdentifier(const NPUTF8* string)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_GetStringIdentifier(string);
 }
 
 void WebBindings::getStringIdentifiers(const NPUTF8** names, int32_t nameCount, NPIdentifier* identifiers)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     _NPN_GetStringIdentifiers(names, nameCount, identifiers);
 }
 
@@ -123,19 +127,22 @@ bool WebBindings::hasProperty(NPP npp, NPObject* object, NPIdentifier property)
 
 bool WebBindings::identifierIsString(NPIdentifier identifier)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_IdentifierIsString(identifier);
 }
 
 int32_t WebBindings::intFromIdentifier(NPIdentifier identifier)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_IntFromIdentifier(identifier);
 }
 
 void WebBindings::initializeVariantWithStringCopy(NPVariant* variant, const NPString* value)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     _NPN_InitializeVariantWithStringCopy(variant, value);
 }
 
@@ -153,13 +160,15 @@ bool WebBindings::invokeDefault(NPP npp, NPObject* object, const NPVariant* args
 
 void WebBindings::releaseObject(NPObject* object)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_ReleaseObject(object);
 }
 
 void WebBindings::releaseVariantValue(NPVariant* variant)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     _NPN_ReleaseVariantValue(variant);
 }
 
@@ -171,7 +180,8 @@ bool WebBindings::removeProperty(NPP npp, NPObject* object, NPIdentifier identif
 
 NPObject* WebBindings::retainObject(NPObject* object)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_RetainObject(object);
 }
 
@@ -189,19 +199,22 @@ bool WebBindings::setProperty(NPP npp, NPObject* object, NPIdentifier identifier
 
 void WebBindings::unregisterObject(NPObject* object)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     _NPN_UnregisterObject(object);
 }
 
 NPUTF8* WebBindings::utf8FromIdentifier(NPIdentifier identifier)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     return _NPN_UTF8FromIdentifier(identifier);
 }
 
 void WebBindings::extractIdentifierData(const NPIdentifier& identifier, const NPUTF8*& string, int32_t& number, bool& isString)
 {
-    HandleScope scope;
+    // WebCore independent method that is called from non-WebCore related
+    // threads. Therefore there is no HandleScope nor NoHandleScope here.
     PrivateIdentifier* data = static_cast<PrivateIdentifier*>(identifier);
     if (!data) {
         isString = false;