cros: Remove unneeded includes from update_library.h plus some random cleanups.

BUG=None
TEST=None

R=stevenjb@chromium.org

Review URL: http://codereview.chromium.org/7575001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95574 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/cros/update_library.cc

@@ -4,8 +4,9 @@
 
 #include "chrome/browser/chromeos/cros/update_library.h"
 
+#include "base/basictypes.h"
 #include "base/message_loop.h"
-#include "base/string_util.h"
+#include "base/observer_list.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "content/browser/browser_thread.h"
 
@@ -13,16 +14,15 @@ namespace chromeos {
 
 class UpdateLibraryImpl : public UpdateLibrary {
  public:
-  UpdateLibraryImpl()
-    : status_connection_(NULL) {
-    if (CrosLibrary::Get()->EnsureLoaded()) {
+  UpdateLibraryImpl() : status_connection_(NULL) {
+    if (CrosLibrary::Get()->EnsureLoaded())
       Init();
-    }
   }
 
   virtual ~UpdateLibraryImpl() {
     if (status_connection_) {
-      DisconnectUpdateProgress(status_connection_);
+      chromeos::DisconnectUpdateProgress(status_connection_);
+      status_connection_ = NULL;
     }
   }
 
@@ -66,14 +66,13 @@ class UpdateLibraryImpl : public UpdateLibrary {
   }
 
  private:
-  static void ChangedHandler(void* object,
-      const UpdateProgress& status) {
-    UpdateLibraryImpl* updater = static_cast<UpdateLibraryImpl*>(object);
-    updater->UpdateStatus(Status(status));
+  static void ChangedHandler(void* object, const UpdateProgress& status) {
+    UpdateLibraryImpl* impl = static_cast<UpdateLibraryImpl*>(object);
+    impl->UpdateStatus(Status(status));
   }
 
   void Init() {
-    status_connection_ = MonitorUpdateStatus(&ChangedHandler, this);
+    status_connection_ = chromeos::MonitorUpdateStatus(&ChangedHandler, this);
     // Asynchronously load the initial state.
     RequestUpdateStatus(&ChangedHandler, this);
   }

chrome/browser/chromeos/cros/update_library.h

@@ -8,9 +8,6 @@
 
 #include <string>
 
-#include "base/memory/singleton.h"
-#include "base/observer_list.h"
-#include "base/time.h"
 #include "third_party/cros/chromeos_update_engine.h"
 
 namespace chromeos {
@@ -33,19 +30,19 @@ class UpdateLibrary {
           new_size(0) {
     }
 
-    explicit Status(const UpdateProgress& x) :
-        status(x.status_),
-        download_progress(x.download_progress_),
-        last_checked_time(x.last_checked_time_),
-        new_version(x.new_version_),
-        new_size(x.new_size_) {
+    explicit Status(const UpdateProgress& o)
+        : status(o.status_),
+          download_progress(o.download_progress_),
+          last_checked_time(o.last_checked_time_),
+          new_version(o.new_version_),
+          new_size(o.new_size_) {
     }
 
     UpdateStatusOperation status;
-    double download_progress;  // 0.0 - 1.0
+    double download_progress;   // 0.0 - 1.0
     int64_t last_checked_time;  // As reported by std::time().
     std::string new_version;
-    int64_t new_size;  // Valid during DOWNLOADING, in bytes.
+    int64_t new_size;           // Valid during DOWNLOADING, in bytes.
   };
 
   class Observer {