Moved a bunch of win-specific files to the new win folder in chrome/browser

chrome/browser/chrome_elf_init_win.cc

Index: chrome/browser/chrome_elf_init_win.cc
diff --git a/chrome/browser/chrome_elf_init_win.cc b/chrome/browser/chrome_elf_init_win.cc
deleted file mode 100644
index c400196fc056a18d137bfdc847f35995457a9929..0000000000000000000000000000000000000000
--- a/chrome/browser/chrome_elf_init_win.cc
+++ /dev/null
@@ -1,208 +0,0 @@
-// 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 <stddef.h>
-
-#include "base/bind.h"
-#include "base/metrics/field_trial.h"
-#include "base/metrics/histogram.h"
-#include "base/metrics/sparse_histogram.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/win/registry.h"
-#include "chrome/browser/chrome_elf_init_win.h"
-#include "chrome/common/chrome_version.h"
-#include "chrome_elf/blacklist/blacklist.h"
-#include "chrome_elf/chrome_elf_constants.h"
-#include "chrome_elf/dll_hash/dll_hash.h"
-#include "components/variations/variations_associated_data.h"
-#include "content/public/browser/browser_thread.h"
-
-const char kBrowserBlacklistTrialName[] = "BrowserBlacklist";
-const char kBrowserBlacklistTrialDisabledGroupName[] = "NoBlacklist";
-
-namespace {
-
-// How long to wait, in seconds, before reporting for the second (and last
-// time), what dlls were blocked from the browser process.
-const int kBlacklistReportingDelaySec = 600;
-
-// This enum is used to define the buckets for an enumerated UMA histogram.
-// Hence,
-//   (a) existing enumerated constants should never be deleted or reordered, and
-//   (b) new constants should only be appended in front of
-//       BLACKLIST_SETUP_EVENT_MAX.
-enum BlacklistSetupEventType {
-  // The blacklist beacon has placed to enable the browser blacklisting.
-  BLACKLIST_SETUP_ENABLED = 0,
-
-  // The blacklist was successfully enabled.
-  BLACKLIST_SETUP_RAN_SUCCESSFULLY,
-
-  // The blacklist setup code failed to execute.
-  BLACKLIST_SETUP_FAILED,
-
-  // The blacklist thunk setup code failed. This is probably an indication
-  // that something else patched that code first.
-  BLACKLIST_THUNK_SETUP_FAILED,
-
-  // Deprecated. The blacklist interception code failed to execute.
-  BLACKLIST_INTERCEPTION_FAILED,
-
-  // The blacklist was disabled for this run (after it failed too many times).
-  BLACKLIST_SETUP_DISABLED,
-
-  // Always keep this at the end.
-  BLACKLIST_SETUP_EVENT_MAX,
-};
-
-void RecordBlacklistSetupEvent(BlacklistSetupEventType blacklist_setup_event) {
-  UMA_HISTOGRAM_ENUMERATION("Blacklist.Setup",
-                            blacklist_setup_event,
-                            BLACKLIST_SETUP_EVENT_MAX);
-}
-
-// Report which DLLs were prevented from being loaded.
-void ReportSuccessfulBlocks() {
-  // Figure out how many dlls were blocked.
-  int num_blocked_dlls = 0;
-  blacklist::SuccessfullyBlocked(NULL, &num_blocked_dlls);
-
-  if (num_blocked_dlls == 0)
-    return;
-
-  // Now retrieve the list of blocked dlls.
-  std::vector<const wchar_t*> blocked_dlls(num_blocked_dlls);
-  blacklist::SuccessfullyBlocked(&blocked_dlls[0], &num_blocked_dlls);
-
-  // Send up the hashes of the blocked dlls via UMA.
-  for (size_t i = 0; i < blocked_dlls.size(); ++i) {
-    std::string dll_name_utf8;
-    base::WideToUTF8(blocked_dlls[i], wcslen(blocked_dlls[i]), &dll_name_utf8);
-    int uma_hash = DllNameToHash(dll_name_utf8);
-
-    UMA_HISTOGRAM_SPARSE_SLOWLY("Blacklist.Blocked", uma_hash);
-  }
-}
-
-}  // namespace
-
-void InitializeChromeElf() {
-  if (base::FieldTrialList::FindFullName(kBrowserBlacklistTrialName) ==
-      kBrowserBlacklistTrialDisabledGroupName) {
-    // Disable the blacklist for all future runs by removing the beacon.
-    base::win::RegKey blacklist_registry_key(HKEY_CURRENT_USER);
-    blacklist_registry_key.DeleteKey(blacklist::kRegistryBeaconPath);
-  } else {
-    AddFinchBlacklistToRegistry();
-    BrowserBlacklistBeaconSetup();
-  }
-
-  // Report all successful blacklist interceptions.
-  ReportSuccessfulBlocks();
-
-  // Schedule another task to report all successful interceptions later.
-  // This time delay should be long enough to catch any dlls that attempt to
-  // inject after Chrome has started up.
-  content::BrowserThread::PostDelayedTask(
-      content::BrowserThread::UI,
-      FROM_HERE,
-      base::Bind(&ReportSuccessfulBlocks),
-      base::TimeDelta::FromSeconds(kBlacklistReportingDelaySec));
-}
-
-// Note that running multiple chrome instances with distinct user data
-// directories could lead to deletion (and/or replacement) of the finch
-// blacklist registry data in one instance before the second has a chance to
-// read those values.
-void AddFinchBlacklistToRegistry() {
-  base::win::RegKey finch_blacklist_registry_key(
-      HKEY_CURRENT_USER, blacklist::kRegistryFinchListPath, KEY_SET_VALUE);
-
-  // No point in trying to continue if the registry key isn't valid.
-  if (!finch_blacklist_registry_key.Valid())
-    return;
-
-  // Delete and recreate the key to clear the registry.
-  finch_blacklist_registry_key.DeleteKey(L"");
-  finch_blacklist_registry_key.Create(
-      HKEY_CURRENT_USER, blacklist::kRegistryFinchListPath, KEY_SET_VALUE);
-
-  std::map<std::string, std::string> params;
-  variations::GetVariationParams(kBrowserBlacklistTrialName, &params);
-
-  for (std::map<std::string, std::string>::iterator it = params.begin();
-       it != params.end();
-       ++it) {
-    std::wstring name = base::UTF8ToWide(it->first);
-    std::wstring val = base::UTF8ToWide(it->second);
-
-    finch_blacklist_registry_key.WriteValue(name.c_str(), val.c_str());
-  }
-}
-
-void BrowserBlacklistBeaconSetup() {
-  base::win::RegKey blacklist_registry_key(HKEY_CURRENT_USER,
-                                           blacklist::kRegistryBeaconPath,
-                                           KEY_QUERY_VALUE | KEY_SET_VALUE);
-
-  // No point in trying to continue if the registry key isn't valid.
-  if (!blacklist_registry_key.Valid())
-    return;
-
-  // Record the results of the last blacklist setup.
-  DWORD blacklist_state = blacklist::BLACKLIST_STATE_MAX;
-  blacklist_registry_key.ReadValueDW(blacklist::kBeaconState, &blacklist_state);
-
-  if (blacklist_state == blacklist::BLACKLIST_ENABLED) {
-    // The blacklist setup didn't crash, so we report if it was enabled or not.
-    if (blacklist::IsBlacklistInitialized()) {
-      RecordBlacklistSetupEvent(BLACKLIST_SETUP_RAN_SUCCESSFULLY);
-    } else {
-      // The only way for the blacklist to be enabled, but not fully
-      // initialized is if the thunk setup failed. See blacklist.cc
-      // for more details.
-      RecordBlacklistSetupEvent(BLACKLIST_THUNK_SETUP_FAILED);
-    }
-
-    // Regardless of if the blacklist was fully enabled or not, report how many
-    // times we had to try to set it up.
-    DWORD attempt_count = 0;
-    blacklist_registry_key.ReadValueDW(blacklist::kBeaconAttemptCount,
-                                       &attempt_count);
-    UMA_HISTOGRAM_COUNTS_100("Blacklist.RetryAttempts.Success", attempt_count);
-  } else if (blacklist_state == blacklist::BLACKLIST_SETUP_FAILED) {
-    // We can set the state to disabled without checking that the maximum number
-    // of attempts was exceeded because blacklist.cc has already done this.
-    RecordBlacklistSetupEvent(BLACKLIST_SETUP_FAILED);
-    blacklist_registry_key.WriteValue(blacklist::kBeaconState,
-                                      blacklist::BLACKLIST_DISABLED);
-  } else if (blacklist_state == blacklist::BLACKLIST_DISABLED) {
-    RecordBlacklistSetupEvent(BLACKLIST_SETUP_DISABLED);
-  }
-
-  // Find the last recorded blacklist version.
-  base::string16 blacklist_version;
-  blacklist_registry_key.ReadValue(blacklist::kBeaconVersion,
-                                   &blacklist_version);
-
-  if (blacklist_version != TEXT(CHROME_VERSION_STRING)) {
-    // The blacklist hasn't been enabled for this version yet, so enable it
-    // and reset the failure count to zero.
-    LONG set_version = blacklist_registry_key.WriteValue(
-        blacklist::kBeaconVersion,
-        TEXT(CHROME_VERSION_STRING));
-
-    LONG set_state = blacklist_registry_key.WriteValue(
-        blacklist::kBeaconState,
-        blacklist::BLACKLIST_ENABLED);
-
-    blacklist_registry_key.WriteValue(blacklist::kBeaconAttemptCount,
-                                      static_cast<DWORD>(0));
-
-    // Only report the blacklist as getting setup when both registry writes
-    // succeed, since otherwise the blacklist wasn't properly setup.
-    if (set_version == ERROR_SUCCESS && set_state == ERROR_SUCCESS)
-      RecordBlacklistSetupEvent(BLACKLIST_SETUP_ENABLED);
-  }
-}