Fix a chromium compile error where local variable shadows member variable.

gfe-relnote: n/a (local variable renaming)
PiperOrigin-RevId: 261309623
Change-Id: If77d2e9f3bf78d4014ab21ee9fd761c29fd1dc15

spdy/core/http2_priority_write_scheduler.h

diff --git a/spdy/core/http2_priority_write_scheduler.h b/spdy/core/http2_priority_write_scheduler.h
index f64d92b..c46f6af 100644
--- a/spdy/core/http2_priority_write_scheduler.h
+++ b/spdy/core/http2_priority_write_scheduler.h
@@ -113,9 +113,8 @@
 
     // Returns true if this stream is ancestor of |other|.
     bool IsAncestorOf(const StreamInfo& other) const {
-      for (const StreamInfo* parent = other.parent; parent != nullptr;
-           parent = parent->parent) {
-        if (parent == this) {
+      for (const StreamInfo* p = other.parent; p != nullptr; p = p->parent) {
+        if (p == this) {
           return true;
         }
       }