Split BrowserThread into public API and private implementation, step 1.

chrome/browser/chromeos/login/camera.cc

Index: chrome/browser/chromeos/login/camera.cc
diff --git a/chrome/browser/chromeos/login/camera.cc b/chrome/browser/chromeos/login/camera.cc
index 6c2bf45c0d6529e9242281594d02ea8de9a5139a..41dbbb6bc24acc13e9a95304d9e3cdf9fa179670 100644
--- a/chrome/browser/chromeos/login/camera.cc
+++ b/chrome/browser/chromeos/login/camera.cc
@@ -4,17 +4,17 @@
 
 #include "chrome/browser/chromeos/login/camera.h"
 
-#include <stdlib.h>
-#include <fcntl.h>  // low-level i/o
-#include <unistd.h>
+#include <asm/types.h>  // for videodev2.h
 #include <errno.h>
+#include <fcntl.h>  // low-level i/o
+#include <linux/videodev2.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
 #include <sys/stat.h>
-#include <sys/types.h>
 #include <sys/time.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <asm/types.h>  // for videodev2.h
-#include <linux/videodev2.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 #include <algorithm>
 #include <vector>
@@ -26,7 +26,7 @@
 #include "base/stringprintf.h"
 #include "base/threading/thread.h"
 #include "base/time.h"
-#include "content/browser/browser_thread.h"
+#include "content/public/browser/browser_thread.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkColorPriv.h"