Random clean up in c/b/cros/drive.

chrome/browser/chromeos/drive/drive_integration_service.cc

Index: chrome/browser/chromeos/drive/drive_integration_service.cc
diff --git a/chrome/browser/chromeos/drive/drive_integration_service.cc b/chrome/browser/chromeos/drive/drive_integration_service.cc
index 6132a77ed1f18f600151478eadd80ecd26ce2b70..0fc81d8f09cb71d6cc54c7646664010f488fc089 100644
--- a/chrome/browser/chromeos/drive/drive_integration_service.cc
+++ b/chrome/browser/chromeos/drive/drive_integration_service.cc
@@ -5,7 +5,6 @@
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 
 #include "base/bind.h"
-#include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/drive/debug_info_collector.h"
@@ -29,15 +28,11 @@
 #include "chrome/browser/google_apis/gdata_wapi_service.h"
 #include "chrome/browser/google_apis/gdata_wapi_url_generator.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/sync/profile_sync_service_factory.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/pref_names.h"
 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/browser/storage_partition.h"
-#include "google/cacheinvalidation/types.pb.h"
 #include "webkit/browser/fileapi/external_mount_points.h"
 #include "webkit/common/user_agent/user_agent_util.h"
 
@@ -47,8 +42,6 @@ using content::BrowserThread;
 namespace drive {
 namespace {
 
-static const size_t kEventLogHistorySize = 100;
-
 // Returns true if Drive is enabled for the given Profile.
 bool IsDriveEnabledForProfile(Profile* profile) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));