Send safe browsing ThreatDetails to track download CTR when user tries to recover blocked downloads

chrome/browser/download/download_danger_prompt_browsertest.cc

Index: chrome/browser/download/download_danger_prompt_browsertest.cc
diff --git a/chrome/browser/download/download_danger_prompt_browsertest.cc b/chrome/browser/download/download_danger_prompt_browsertest.cc
index 2b33e0e7e29eed67d4d2c660cc8ffa0e157ee051..6a0a8de64b644507526d8793c3fc4a4ad4edf37a 100644
--- a/chrome/browser/download/download_danger_prompt_browsertest.cc
+++ b/chrome/browser/download/download_danger_prompt_browsertest.cc
@@ -10,6 +10,7 @@
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/test/mock_download_item.h"
@@ -23,14 +24,15 @@ using ::testing::Eq;
 using ::testing::Return;
 using ::testing::ReturnRef;
 using ::testing::SaveArg;
+using safe_browsing::ClientSafeBrowsingReportRequest;
 
 class DownloadDangerPromptTest : public InProcessBrowserTest {
  public:
   DownloadDangerPromptTest()
-    : prompt_(NULL),
-      expected_action_(DownloadDangerPrompt::CANCEL),
-      did_receive_callback_(false) {
-  }
+      : prompt_(NULL),
+        expected_action_(DownloadDangerPrompt::CANCEL),
+        did_receive_callback_(false),
+        report_sent_(false) {}
 
   ~DownloadDangerPromptTest() override {}
 
@@ -48,6 +50,12 @@ class DownloadDangerPromptTest : public InProcessBrowserTest {
   void SetUpExpectations(DownloadDangerPrompt::Action expected_action) {
     did_receive_callback_ = false;
     expected_action_ = expected_action;
+    report_sent_ = false;
+    expected_safe_browsing_report_.set_url(download_.GetURL().spec());
+    expected_safe_browsing_report_.set_type(
+        ClientSafeBrowsingReportRequest::MALICIOUS_DOWNLOAD_RECOVERY);
+    expected_safe_browsing_report_.set_did_proceed(
+        expected_action == DownloadDangerPrompt::ACCEPT);
     SetUpDownloadItemExpectations();
     CreatePrompt();
   }
@@ -59,10 +67,21 @@ class DownloadDangerPromptTest : public InProcessBrowserTest {
     EXPECT_TRUE(did_receive_callback_);
     EXPECT_FALSE(prompt_);
     testing::Mock::VerifyAndClearExpectations(&download_);
+    if (report_sent_) {
+      std::string expected_report_string;
+      expected_safe_browsing_report_.SerializeToString(&expected_report_string);
+      EXPECT_EQ(expected_report_string, safe_browsing_report_);
+    }
   }
 
   void SimulatePromptAction(DownloadDangerPrompt::Action action) {
-    prompt_->InvokeActionForTesting(action);
+    safe_browsing_report_ =
+        prompt()->InvokeActionForTesting(action, download().GetURL());
+    // If download_ changes to safe, prompt will be dismiss instead.
+    if (!download().IsDangerous()) {
+      expected_safe_browsing_report_.set_did_proceed(false);
+    }
+    report_sent_ = true;
   }
 
   content::MockDownloadItem& download() { return download_; }
@@ -97,6 +116,9 @@ class DownloadDangerPromptTest : public InProcessBrowserTest {
   DownloadDangerPrompt* prompt_;
   DownloadDangerPrompt::Action expected_action_;
   bool did_receive_callback_;
+  std::string safe_browsing_report_;
+  ClientSafeBrowsingReportRequest expected_safe_browsing_report_;
+  bool report_sent_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadDangerPromptTest);
 };
@@ -109,11 +131,15 @@ class DownloadDangerPromptTest : public InProcessBrowserTest {
 #endif
 IN_PROC_BROWSER_TEST_F(DownloadDangerPromptTest, MAYBE_TestAll) {
   // ExperienceSampling: Set default actions for DownloadItem methods we need.
+  // Intentionally makes download() url empty, such that no actual report will
+  // be sent to server side.
   ON_CALL(download(), GetURL()).WillByDefault(ReturnRef(GURL::EmptyGURL()));
   ON_CALL(download(), GetReferrerUrl())
       .WillByDefault(ReturnRef(GURL::EmptyGURL()));
   ON_CALL(download(), GetBrowserContext())
       .WillByDefault(Return(browser()->profile()));
+  ON_CALL(download(), IsDangerous()).WillByDefault(Return(true));
+  ON_CALL(download(), IsDone()).WillByDefault(Return(true));
 
   OpenNewTab();
 
@@ -137,7 +163,6 @@ IN_PROC_BROWSER_TEST_F(DownloadDangerPromptTest, MAYBE_TestAll) {
   // If the download is in a terminal state then the dialog should DISMISS
   // itself.
   SetUpExpectations(DownloadDangerPrompt::DISMISS);
-  EXPECT_CALL(download(), IsDangerous()).WillOnce(Return(true));
   EXPECT_CALL(download(), IsDone()).WillOnce(Return(true));
   download().NotifyObserversDownloadUpdated();
   VerifyExpectations();
@@ -145,7 +170,6 @@ IN_PROC_BROWSER_TEST_F(DownloadDangerPromptTest, MAYBE_TestAll) {
   // If the download is dangerous and is not in a terminal state, don't dismiss
   // the dialog.
   SetUpExpectations(DownloadDangerPrompt::ACCEPT);
-  EXPECT_CALL(download(), IsDangerous()).WillOnce(Return(true));
   EXPECT_CALL(download(), IsDone()).WillOnce(Return(false));
   download().NotifyObserversDownloadUpdated();
   SimulatePromptAction(DownloadDangerPrompt::ACCEPT);