Change how the quota system computes the total poolsize for temporary storage

content/public/browser/BUILD.gn

Index: content/public/browser/BUILD.gn
diff --git a/content/public/browser/BUILD.gn b/content/public/browser/BUILD.gn
index d52e4d2f517b8e09bfc1f34cef33234269832680..76ac3222360c3b57b8407c4ac940bc77069f8bfe 100644
--- a/content/public/browser/BUILD.gn
+++ b/content/public/browser/BUILD.gn
@@ -296,6 +296,9 @@ source_set("browser_sources") {
 
     # We expose skia headers in the public API.
     "//skia",
+
+    # We expose storage headers for quota in the public API.
+    "//storage/browser",
     "//third_party/WebKit/public:mojo_bindings",
   ]
   deps = [
@@ -308,7 +311,6 @@ source_set("browser_sources") {
     "//media",
     "//net",
     "//ppapi/c",
-    "//storage/browser",
     "//ui/accessibility",
     "//ui/base",
     "//ui/events",