Recommit the generate profile patch

chrome/tools/profiles/generate_profile.cc

Index: chrome/tools/profiles/generate_profile.cc
diff --git a/chrome/tools/profiles/generate_profile.cc b/chrome/tools/profiles/generate_profile.cc
deleted file mode 100644
index fbd761eed7db0f2a3ea836de9016fbd78f6ecbac..0000000000000000000000000000000000000000
--- a/chrome/tools/profiles/generate_profile.cc
+++ /dev/null
@@ -1,310 +0,0 @@
-// 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.
-
-// This program generates a user profile and history by randomly generating
-// data and feeding it to the history service.
-
-#include "chrome/tools/profiles/thumbnail-inl.h"
-
-#include "base/at_exit.h"
-#include "base/command_line.h"
-#include "base/file_util.h"
-#include "base/files/file_path.h"
-#include "base/i18n/icu_util.h"
-#include "base/logging.h"
-#include "base/message_loop.h"
-#include "base/path_service.h"
-#include "base/process_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/time.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/history/history_service.h"
-#include "chrome/browser/history/history_service_factory.h"
-#include "chrome/browser/history/top_sites.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/thumbnail_score.h"
-#include "chrome/test/base/testing_browser_process.h"
-#include "chrome/test/base/testing_profile.h"
-#include "content/browser/browser_thread_impl.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/notification_service.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/base/ui_base_paths.h"
-#include "ui/gfx/codec/jpeg_codec.h"
-
-#if defined(TOOLKIT_GTK)
-#include <gtk/gtk.h>
-#endif
-
-using base::Time;
-using content::BrowserThread;
-
-// Addition types data can be generated for. By default only urls/visits are
-// added.
-enum Types {
-  TOP_SITES = 1 << 0,
-  FULL_TEXT = 1 << 1
-};
-
-// RAII for initializing and shutting down the TestBrowserProcess
-class InitBrowserProcess {
- public:
-  InitBrowserProcess() {
-    DCHECK(!g_browser_process);
-    g_browser_process = new TestingBrowserProcess;
-  }
-
-  ~InitBrowserProcess() {
-    DCHECK(g_browser_process);
-    delete g_browser_process;
-    g_browser_process = NULL;
-  }
-};
-
-// Probabilities of different word lengths, as measured from Darin's profile.
-//   kWordLengthProbabilities[n-1] = P(word of length n)
-const float kWordLengthProbabilities[] = { 0.069f, 0.132f, 0.199f,
-  0.137f, 0.088f, 0.115f, 0.081f, 0.055f, 0.034f, 0.021f, 0.019f, 0.018f,
-  0.007f, 0.007f, 0.005f, 0.004f, 0.003f, 0.003f, 0.003f };
-
-// Return a float uniformly in [0,1].
-// Useful for making probabilistic decisions.
-float RandomFloat() {
-  return rand() / static_cast<float>(RAND_MAX);
-}
-
-// Return an integer uniformly in [min,max).
-int RandomInt(int min, int max) {
-  return min + (rand() % (max-min));
-}
-
-// Return a string of |count| lowercase random characters.
-string16 RandomChars(int count) {
-  string16 str;
-  for (int i = 0; i < count; ++i)
-    str += L'a' + rand() % 26;
-  return str;
-}
-
-string16 RandomWord() {
-  // TODO(evanm): should we instead use the markov chain based
-  // version of this that I already wrote?
-
-  // Sample a word length from kWordLengthProbabilities.
-  float sample = RandomFloat();
-  size_t i;
-  for (i = 0; i < arraysize(kWordLengthProbabilities); ++i) {
-    sample -= kWordLengthProbabilities[i];
-    if (sample < 0) break;
-  }
-  const int word_length = i + 1;
-  return RandomChars(word_length);
-}
-
-// Return a string of |count| random words.
-string16 RandomWords(int count) {
-  string16 str;
-  for (int i = 0; i < count; ++i) {
-    if (!str.empty())
-      str += L' ';
-    str += RandomWord();
-  }
-  return str;
-}
-
-// Return a random URL-looking string.
-GURL ConstructRandomURL() {
-  return GURL(ASCIIToUTF16("http://") + RandomChars(3) + ASCIIToUTF16(".com/") +
-      RandomChars(RandomInt(5, 20)));
-}
-
-// Return a random page title-looking string.
-string16 ConstructRandomTitle() {
-  return RandomWords(RandomInt(3, 15));
-}
-
-// Return a random string that could function as page contents.
-string16 ConstructRandomPage() {
-  return RandomWords(RandomInt(10, 4000));
-}
-
-// Insert a batch of |batch_size| URLs, starting at pageid |page_id|.
-void InsertURLBatch(Profile* profile,
-                    int page_id,
-                    int batch_size,
-                    int types) {
-  HistoryService* history_service =
-      HistoryServiceFactory::GetForProfile(profile, Profile::EXPLICIT_ACCESS);
-
-  // Probability of following a link on the current "page"
-  // (vs randomly jumping to a new page).
-  const float kFollowLinkProbability = 0.85f;
-  // Probability of visiting a page we've visited before.
-  const float kRevisitLinkProbability = 0.1f;
-  // Probability of a URL being "good enough" to revisit.
-  const float kRevisitableURLProbability = 0.05f;
-  // Probability of a URL being the end of a redirect chain.
-  const float kRedirectProbability = 0.05f;
-
-  // A list of URLs that we sometimes revisit.
-  std::vector<GURL> revisit_urls;
-
-  // Scoping value for page IDs (required by the history service).
-  void* id_scope = reinterpret_cast<void*>(1);
-
-  scoped_ptr<SkBitmap> google_bitmap(
-      gfx::JPEGCodec::Decode(kGoogleThumbnail, sizeof(kGoogleThumbnail)));
-  scoped_ptr<SkBitmap> weewar_bitmap(
-      gfx::JPEGCodec::Decode(kWeewarThumbnail, sizeof(kWeewarThumbnail)));
-
-  printf("Inserting %d URLs...\n", batch_size);
-  GURL previous_url;
-  content::PageTransition transition = content::PAGE_TRANSITION_TYPED;
-  const int end_page_id = page_id + batch_size;
-  history::TopSites* top_sites = profile->GetTopSites();
-  for (; page_id < end_page_id; ++page_id) {
-    // Randomly decide whether this new URL simulates following a link or
-    // whether it's a jump to a new URL.
-    if (!previous_url.is_empty() && RandomFloat() < kFollowLinkProbability) {
-      transition = content::PAGE_TRANSITION_LINK;
-    } else {
-      previous_url = GURL();
-      transition = content::PAGE_TRANSITION_TYPED;
-    }
-
-    // Pick a URL, either newly at random or from our list of previously
-    // visited URLs.
-    GURL url;
-    if (!revisit_urls.empty() && RandomFloat() < kRevisitLinkProbability) {
-      // Draw a URL from revisit_urls at random.
-      url = revisit_urls[RandomInt(0, static_cast<int>(revisit_urls.size()))];
-    } else {
-      url = ConstructRandomURL();
-    }
-
-    // Randomly construct a redirect chain.
-    history::RedirectList redirects;
-    if (RandomFloat() < kRedirectProbability) {
-      const int redir_count = RandomInt(1, 4);
-      for (int i = 0; i < redir_count; ++i)
-        redirects.push_back(ConstructRandomURL());
-      redirects.push_back(url);
-    }
-
-    // Add all of this information to the history service.
-    history_service->AddPage(url, base::Time::Now(),
-                             id_scope, page_id,
-                             previous_url, redirects,
-                             transition, history::SOURCE_BROWSED, true);
-    ThumbnailScore score(0.75, false, false);
-    history_service->SetPageTitle(url, ConstructRandomTitle());
-    if (types & FULL_TEXT)
-      history_service->SetPageContents(url, ConstructRandomPage());
-    if (types & TOP_SITES && top_sites) {
-      const SkBitmap& bitmap = (RandomInt(0, 2) == 0) ? *google_bitmap :
-                                                        *weewar_bitmap;
-      gfx::Image image = gfx::Image::CreateFrom1xBitmap(bitmap);
-      top_sites->SetPageThumbnail(url, image, score);
-    }
-
-    previous_url = url;
-
-    if (revisit_urls.empty() || RandomFloat() < kRevisitableURLProbability)
-      revisit_urls.push_back(url);
-  }
-}
-
-int main(int argc, char* argv[]) {
-  CommandLine::Init(argc, argv);
-  base::EnableTerminationOnHeapCorruption();
-  base::AtExitManager exit_manager;
-  CommandLine* cl = CommandLine::ForCurrentProcess();
-
-  int types = 0;
-  if (cl->HasSwitch("top-sites"))
-    types |= TOP_SITES;
-  if (cl->HasSwitch("full-text"))
-    types |= FULL_TEXT;
-
-  // We require two arguments: urlcount and profiledir.
-  const CommandLine::StringVector& args = cl->GetArgs();
-  if (args.size() < 2) {
-    printf("usage: %s [--top-sites] [--full-text] <urlcount> "
-           "<profiledir>\n", argv[0]);
-    printf("\n  --top-sites Generate thumbnails\n");
-    printf("\n  --full-text Generate full text index\n");
-    return -1;
-  }
-
-  int url_count = 0;
-  base::StringToInt(args[0], &url_count);
-  base::FilePath dst_dir(args[1]);
-  if (!dst_dir.IsAbsolute()) {
-    base::FilePath current_dir;
-    file_util::GetCurrentDirectory(&current_dir);
-    dst_dir = current_dir.Append(dst_dir);
-  }
-  if (!file_util::CreateDirectory(dst_dir)) {
-    PLOG(ERROR) << "Unable to create directory " << dst_dir.value().c_str();
-  }
-
-  icu_util::Initialize();
-  // Copied from base/test/test_suite.cc.
-#if defined(TOOLKIT_GTK)
-  gtk_init_check(&argc, &argv);
-#endif
-
-  InitBrowserProcess initialize_browser_process;
-  chrome::RegisterPathProvider();
-  ui::RegisterPathProvider();
-  MessageLoopForUI message_loop;
-  content::BrowserThreadImpl ui_thread(BrowserThread::UI, &message_loop);
-  content::BrowserThreadImpl db_thread(BrowserThread::DB, &message_loop);
-  ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
-  TestingProfile profile;
-  profile.CreateHistoryService(false, false);
-  if (types & TOP_SITES) {
-    profile.CreateTopSites();
-    profile.BlockUntilTopSitesLoaded();
-  }
-
-  srand(static_cast<unsigned int>(Time::Now().ToInternalValue()));
-
-  // The maximum number of URLs to insert into history in one batch.
-  const int kBatchSize = 2000;
-  int page_id = 0;
-  while (page_id < url_count) {
-    const int batch_size = std::min(kBatchSize, url_count - page_id);
-    InsertURLBatch(&profile, page_id, batch_size, types);
-    // Run all pending messages to give TopSites a chance to catch up.
-    message_loop.RunUntilIdle();
-    page_id += batch_size;
-  }
-
-  printf("Writing to disk\n");
-
-  profile.DestroyTopSites();
-  profile.DestroyHistoryService();
-
-  message_loop.RunUntilIdle();
-
-  file_util::FileEnumerator file_iterator(profile.GetPath(), false,
-      file_util::FileEnumerator::FILES);
-  base::FilePath path = file_iterator.Next();
-  while (!path.empty()) {
-    base::FilePath dst_file = dst_dir.Append(path.BaseName());
-    file_util::Delete(dst_file, false);
-    printf("Copying file %" PRFilePath " to "
-           "%" PRFilePath "\n", path.value().c_str(),
-           dst_file.value().c_str());
-    if (!file_util::CopyFile(path, dst_file)) {
-      PLOG(ERROR) << "Copying file failed";
-      return -1;
-    }
-    path = file_iterator.Next();
-  }
-
-  return 0;
-}