Convert the few remaining ARRAYSIZE_UNSAFE -> arraysize.

android_webview/browser/scoped_app_gl_state_restore.cc

Index: android_webview/browser/scoped_app_gl_state_restore.cc
diff --git a/android_webview/browser/scoped_app_gl_state_restore.cc b/android_webview/browser/scoped_app_gl_state_restore.cc
index a36e061cca559587c9ee0087e4b4bf7cf76bd967..43bd8aa142cdc728c15cea4d4821f07f44a89b00 100644
--- a/android_webview/browser/scoped_app_gl_state_restore.cc
+++ b/android_webview/browser/scoped_app_gl_state_restore.cc
@@ -273,7 +273,7 @@ ScopedAppGLStateRestoreImpl::ScopedAppGLStateRestoreImpl(
     glBindVertexArrayOES(0);
   }
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(vertex_attrib_); ++i) {
+  for (size_t i = 0; i < arraysize(vertex_attrib_); ++i) {
     glGetVertexAttribiv(
         i, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &vertex_attrib_[i].enabled);
     glGetVertexAttribiv(
@@ -309,7 +309,7 @@ ScopedAppGLStateRestoreImpl::~ScopedAppGLStateRestoreImpl() {
   if (g_supports_oes_vertex_array_object)
     glBindVertexArrayOES(0);
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(vertex_attrib_); ++i) {
+  for (size_t i = 0; i < arraysize(vertex_attrib_); ++i) {
     glBindBuffer(GL_ARRAY_BUFFER,
                  vertex_attrib_[i].vertex_attrib_array_buffer_binding);
     glVertexAttribPointer(i,