Remove usage of deprecated V8 APIs from c/r/extensions

chrome/renderer/extensions/chrome_v8_context_set.cc

Index: chrome/renderer/extensions/chrome_v8_context_set.cc
diff --git a/chrome/renderer/extensions/chrome_v8_context_set.cc b/chrome/renderer/extensions/chrome_v8_context_set.cc
index 40b6fe1db9c25c318095cbf308a14cb3dee3fb71..391f3ad49d44e34c37c5fa65ede03a1f92f601b2 100644
--- a/chrome/renderer/extensions/chrome_v8_context_set.cc
+++ b/chrome/renderer/extensions/chrome_v8_context_set.cc
@@ -60,12 +60,14 @@ ChromeV8ContextSet::ContextSet ChromeV8ContextSet::GetAll() const {
 }
 
 ChromeV8Context* ChromeV8ContextSet::GetCurrent() const {
-  return v8::Context::InContext() ?
-      GetByV8Context(v8::Context::GetCurrent()) : NULL;
+  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  return isolate->InContext() ? GetByV8Context(isolate->GetCurrentContext())
+                              : NULL;
 }
 
 ChromeV8Context* ChromeV8ContextSet::GetCalling() const {
-  v8::Local<v8::Context> calling = v8::Context::GetCalling();
+  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  v8::Local<v8::Context> calling = isolate->GetCallingContext();
   return calling.IsEmpty() ? NULL : GetByV8Context(calling);
 }