Revert of Move Extension ScriptContext creation into ScriptContextSet.

extensions/renderer/script_context_set_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <vector>
-
 #include "base/message_loop/message_loop.h"
 #include "extensions/common/extension.h"
-#include "extensions/common/extension_set.h"
 #include "extensions/common/features/feature.h"
 #include "extensions/renderer/script_context.h"
 #include "extensions/renderer/script_context_set.h"
+#include "gin/public/context_holder.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "v8/include/v8.h"
 
 namespace extensions {
 
-TEST(ScriptContextSetTest, Lifecycle) {
+TEST(ScriptContextSet, Lifecycle) {
   base::MessageLoop loop;
 
-  ExtensionSet extensions;
-  ExtensionIdSet active_extensions;
-  ScriptContextSet context_set(&extensions, &active_extensions);
+  ScriptContextSet context_set;
+
+  v8::Isolate* isolate = v8::Isolate::GetCurrent();
+  v8::HandleScope handle_scope(isolate);
+  gin::ContextHolder context_holder(isolate);
+  context_holder.SetContext(v8::Context::New(isolate));
 
   blink::WebView* webview = blink::WebView::create(nullptr);
-  blink::WebLocalFrame* frame = blink::WebLocalFrame::create(nullptr);
+  blink::WebFrame* frame = blink::WebLocalFrame::create(nullptr);
   webview->setMainFrame(frame);
-  v8::Isolate* isolate = v8::Isolate::GetCurrent();
-  v8::HandleScope handle_scope(isolate);
-  v8::Handle<v8::Context> v8_context = v8::Context::New(isolate);
-  v8::Context::Scope context_scope(v8_context);
-  ScriptContext* context = context_set.Register(
-      frame, v8_context, 0, 0);  // no extension group or world ID
+  const Extension* extension = NULL;
+  ScriptContext* context =
+      new ScriptContext(context_holder.context(),
+                        frame,
+                        extension,
+                        Feature::BLESSED_EXTENSION_CONTEXT,
+                        extension,
+                        Feature::BLESSED_EXTENSION_CONTEXT);
 
-  // Context is valid and resembles correctness.
-  EXPECT_TRUE(context->is_valid());
-  EXPECT_EQ(frame, context->web_frame());
-  EXPECT_EQ(v8_context, context->v8_context());
+  context_set.Add(context);
+  EXPECT_EQ(1u, context_set.GetAll().count(context));
+  EXPECT_EQ(context, context_set.GetByV8Context(context->v8_context()));
 
-  // Context has been correctly added.
-  EXPECT_EQ(1u, context_set.size());
-  EXPECT_EQ(context, context_set.GetByV8Context(v8_context));
+  // Adding the same item multiple times should be OK and deduped.
+  context_set.Add(context);
+  EXPECT_EQ(1u, context_set.GetAll().count(context));
 
-  // Test context is correctly removed.
+  // GetAll() returns a copy so removing from one should not remove from others.
+  ScriptContextSet::ContextSet set_copy = context_set.GetAll();
+  EXPECT_EQ(1u, set_copy.count(context));
+
   context_set.Remove(context);
-  EXPECT_EQ(0u, context_set.size());
-  EXPECT_EQ(nullptr, context_set.GetByV8Context(v8_context));
+  EXPECT_EQ(0, context_set.size());
+  EXPECT_FALSE(context_set.GetByV8Context(context->v8_context()));
+  EXPECT_EQ(1u, set_copy.size());
 
-  // After removal, the context should be invalid.
-  EXPECT_FALSE(context->is_valid());
-  EXPECT_EQ(nullptr, context->web_frame());
+  // After removal, the context should be marked for destruction.
+  EXPECT_FALSE(context->web_frame());
 
   // Run loop to do the actual deletion.
   loop.RunUntilIdle();
 }
 
 }  // namespace extensions