DevTools: don't show the unresponsive dialog for inspected tabs

content/browser/debugger/devtools_manager_unittest.cc

 // Copyright (c) 2011 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 "base/basictypes.h"
+#include "base/time.h"
 #include "content/browser/debugger/devtools_client_host.h"
 #include "content/browser/debugger/devtools_manager.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
+#include "content/browser/tab_contents/tab_contents_delegate.h"
+#include "content/browser/tab_contents/test_tab_contents.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using base::TimeDelta;
+
 namespace {
 
 class TestDevToolsClientHost : public DevToolsClientHost {
  public:
   TestDevToolsClientHost()
       : last_sent_message(NULL),
         closed_(false) {
   }
 
   virtual ~TestDevToolsClientHost() {
@@ skipping 31 matching lines @@
  private:
   bool closed_;
 
   virtual void FrameNavigating(const std::string& url) {}
 
   DISALLOW_COPY_AND_ASSIGN(TestDevToolsClientHost);
 };
 
 int TestDevToolsClientHost::close_counter = 0;
 
+
+class TestTabContentsDelegate : public TabContentsDelegate {
+ public:
+  TestTabContentsDelegate() : renderer_unresponsive_received_(false) {}
+
+  // Notification that the tab is hung.
+  virtual void RendererUnresponsive(TabContents* source) {
+    renderer_unresponsive_received_ = true;
+  }
+
+  bool renderer_unresponsive_received() const {
+    return renderer_unresponsive_received_;
+  }
+
+ private:
+  bool renderer_unresponsive_received_;
+};
+
 }  // namespace
 
 class DevToolsManagerTest : public RenderViewHostTestHarness {
  public:
   DevToolsManagerTest() : RenderViewHostTestHarness() {
   }
 
  protected:
   virtual void SetUp() {
     RenderViewHostTestHarness::SetUp();
@@ skipping 32 matching lines @@
   manager.RegisterDevToolsClientHostFor(rvh(), &client_host);
   EXPECT_EQ(0, TestDevToolsClientHost::close_counter);
 
   IPC::Message m;
   manager.ForwardToDevToolsClient(rvh(), m);
   EXPECT_TRUE(&m == client_host.last_sent_message);
 
   client_host.Close();
   EXPECT_EQ(1, TestDevToolsClientHost::close_counter);
 }
+
+TEST_F(DevToolsManagerTest, NoUnresponsiveDialogInInspectedTab) {
+  TestRenderViewHost* inspected_rvh = rvh();
+  inspected_rvh->set_render_view_created(true);
+  EXPECT_FALSE(contents()->delegate());
+  TestTabContentsDelegate delegate;
+  contents()->set_delegate(&delegate);
+
+  testing_browser_process_.get()->SetDevToolsManager(new DevToolsManager());
+  DevToolsManager* manager = DevToolsManager::GetInstance();
+  ASSERT_TRUE(manager);
+
+  TestDevToolsClientHost client_host;
+  manager->RegisterDevToolsClientHostFor(inspected_rvh, &client_host);
+
+  // Start with a short timeout.
+  inspected_rvh->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
+  // Wait long enough for first timeout and see if it fired.
+  MessageLoop::current()->PostDelayedTask(FROM_HERE,
+                                          new MessageLoop::QuitTask(), 10);
+  MessageLoop::current()->Run();
+  EXPECT_FALSE(delegate.renderer_unresponsive_received());
+
+  // Now close devtools and check that the notification is delivered.
+  client_host.Close();
+  // Start with a short timeout.
+  inspected_rvh->StartHangMonitorTimeout(TimeDelta::FromMilliseconds(10));
+  // Wait long enough for first timeout and see if it fired.
+  MessageLoop::current()->PostDelayedTask(FROM_HERE,
+                                          new MessageLoop::QuitTask(), 10);
+  MessageLoop::current()->Run();
+  EXPECT_TRUE(delegate.renderer_unresponsive_received());
+
+  contents()->set_delegate(NULL);
+}