Only print warning if adjusting address space fails.

The original code has the condition for logging inversed.

Change-Id: I3358cf18c42c2ab914a9895c6ed9de6a13fa50f1
Reviewed-on: https://chromium-review.googlesource.com/1009946Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Albert J. Wong <ajwong@chromium.org>
Commit-Queue: Stephan Herhut <herhut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553963}

base/allocator/partition_allocator/page_allocator.cc

@@ -119,8 +119,8 @@ void* AllocPages(void* address,
   if (length >= kMinimumGuardedMemorySize) {
     CHECK_EQ(PageInaccessible, accessibility);
     CHECK(!commit);
-    if (AdjustAddressSpaceLimit(base::checked_cast<int64_t>(length))) {
-      DLOG(WARNING) << "Could not address space by " << length;
+    if (!AdjustAddressSpaceLimit(base::checked_cast<int64_t>(length))) {
+      DLOG(WARNING) << "Could not adjust address space by " << length;
       // Fall through. Try the allocation, since we may have a reserve.
     }
   }