content: Move more constants from url_constants.h into content namespace.

content/public/common/url_constants.cc

Index: content/public/common/url_constants.cc
diff --git a/content/public/common/url_constants.cc b/content/public/common/url_constants.cc
index fbeaf190f80b12825888656d641e6847687f1320..057545c66d2f31631945ed5525fc4d6b690bf696 100644
--- a/content/public/common/url_constants.cc
+++ b/content/public/common/url_constants.cc
@@ -45,6 +45,10 @@ const char kChromeUITcmallocHost[] = "tcmalloc";
 const char kChromeUITracingHost[] = "tracing";
 const char kChromeUIWebRTCInternalsHost[] = "webrtc-internals";
 
+}  // namespace chrome
+
+namespace content {
+
 const char kChromeUICrashURL[] = "chrome://crash";
 const char kChromeUIGpuCleanURL[] = "chrome://gpuclean";
 const char kChromeUIGpuCrashURL[] = "chrome://gpucrash";
@@ -54,10 +58,6 @@ const char kChromeUIKillURL[] = "chrome://kill";
 const char kChromeUIPpapiFlashCrashURL[] = "chrome://ppapiflashcrash";
 const char kChromeUIPpapiFlashHangURL[] = "chrome://ppapiflashhang";
 
-}  // namespace chrome
-
-namespace content {
-
 const char kStandardSchemeSeparator[] = "://";
 
 // This error URL is loaded in normal web renderer processes, so it should not