[Garbled Text][Infobar] Adding infobar to suggest turning on encoding detection.

chrome/browser/garbled_text_browsertest.cc

Index: chrome/browser/garbled_text_browsertest.cc
diff --git a/chrome/browser/garbled_text_browsertest.cc b/chrome/browser/garbled_text_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3ee085aa9a9e801dc1b588c8b815b001b7b0de94
--- /dev/null
+++ b/chrome/browser/garbled_text_browsertest.cc
@@ -0,0 +1,128 @@
+// Copyright (c) 2012 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/bind.h"
+#include "base/message_loop.h"
+#include "chrome/browser/garbled_text_helper.h"
+#include "chrome/browser/garbled_text_infobar_delegate.h"
+#include "chrome/browser/garbled_text_service.h"
+#include "chrome/browser/garbled_text_url_tracker.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/renderer_host/dummy_resource_dispatcher_host_delegate.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/ui_test_utils.h"
+#include "content/browser/renderer_host/resource_dispatcher_host.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/common/resource_response.h"
+#include "content/test/test_browser_thread.h"
+#include "googleurl/src/gurl.h"
+
+namespace {
+
+void Nop() {}
+
+class TestingRDHDelegate : public DummyResourceDispatcherHostDelegate {
+ public:
+  TestingRDHDelegate(ResourceDispatcherHost* rdh,
+                     const GURL& url)
+      : DummyResourceDispatcherHostDelegate(rdh->delegate()),
+        rdh_(rdh),
+        url_(url),
+        completed_(false),
+        needs_encoding_detection_(false) {
+    rdh_->set_delegate(this);
+  }
+
+  virtual ~TestingRDHDelegate() {
+    DCHECK_EQ(this, rdh_->delegate());
+    rdh_->set_delegate(underlying());
+  }
+
+  virtual void OnResponseStarted(
+      net::URLRequest* request,
+      content::ResourceResponse* response,
+      ResourceMessageFilter* filter) OVERRIDE {
+    DummyResourceDispatcherHostDelegate::OnResponseStarted(
+        request, response, filter);
+    if (request->url() == url_) {
+      completed_ = true;
+      needs_encoding_detection_ = response->needs_encoding_detection;
+    }
+  }
+
+  void reset(GURL url) {
+    url_ = url;
+    completed_ = false;
+    needs_encoding_detection_ = false;
+  }
+
+  bool completed() const {
+    return completed_;
+  }
+
+  bool needs_encoding_detection() const {
+    return needs_encoding_detection_;
+  }
+
+ private:
+  ResourceDispatcherHost* rdh_;
+  GURL url_;
+  bool completed_;
+  bool needs_encoding_detection_;
+};
+
+}  // anonymous namespace
+
+class GarbledTextBrowserTest : public InProcessBrowserTest {
+ public:
+  typedef GarbledTextURLTracker::GarbledURLs GarbledURLs;
+
+ protected:
+  GarbledTextBrowserTest() {}
+  ~GarbledTextBrowserTest() {}
+
+  void UpdateBlacklist(const GURL& url) {
+    if (!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)) {
+      content::BrowserThread::PostTask(
+          content::BrowserThread::UI,
+          FROM_HERE,
+          base::Bind(&GarbledTextBrowserTest::UpdateBlacklist,
+                     base::Unretained(this), url));
+      ui_test_utils::RunAllPendingInMessageLoop(content::BrowserThread::UI);
+      return;
+    }
+
+    GarbledURLs urls(&url, &url+1);
+    GarbledTextService* service = GarbledTextServiceFactory::GetInstance()->
+        GetForProfile(browser()->profile());
+    service->UpdateBlacklist(urls, base::Bind(&Nop));
+    ui_test_utils::RunAllPendingInMessageLoop(content::BrowserThread::IO);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GarbledTextBrowserTest);
+};
+
+IN_PROC_BROWSER_TEST_F(GarbledTextBrowserTest, LoadTimeMarkingTest) {
+  ASSERT_TRUE(test_server()->Start());
+
+  GURL url(test_server()->GetURL("files/garbled_text/foo.html"));
+  TestingRDHDelegate delegate(ResourceDispatcherHost::Get(),
+                              url);
+
+  ui_test_utils::NavigateToURL(browser(), url);
+  EXPECT_TRUE(delegate.completed());
+  EXPECT_FALSE(delegate.needs_encoding_detection());
+
+  UpdateBlacklist(url);
+
+  delegate.reset(url);
+  ui_test_utils::NavigateToURL(browser(), url);
+  EXPECT_TRUE(delegate.completed());
+  EXPECT_TRUE(delegate.needs_encoding_detection());
+
+  test_server()->Stop();
+}