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

chrome/common/url_constants.cc

Index: chrome/common/url_constants.cc
diff --git a/chrome/common/url_constants.cc b/chrome/common/url_constants.cc
index 2341c08b9b8b6b660fb9c4f8f521026fb98b3ad3..1db3b326c5bc2db298d9b687d88c492c1b646650 100644
--- a/chrome/common/url_constants.cc
+++ b/chrome/common/url_constants.cc
@@ -502,15 +502,15 @@ const char kLearnMoreEnterpriseURL[] =
 #endif
 
 const char* const kChromeDebugURLs[] = {
-  kChromeUICrashURL,
-  kChromeUIKillURL,
-  kChromeUIHangURL,
+  content::kChromeUICrashURL,
+  content::kChromeUIKillURL,
+  content::kChromeUIHangURL,
   content::kChromeUIShorthangURL,
-  kChromeUIGpuCleanURL,
-  kChromeUIGpuCrashURL,
-  kChromeUIGpuHangURL,
-  kChromeUIPpapiFlashCrashURL,
-  kChromeUIPpapiFlashHangURL
+  content::kChromeUIGpuCleanURL,
+  content::kChromeUIGpuCrashURL,
+  content::kChromeUIGpuHangURL,
+  content::kChromeUIPpapiFlashCrashURL,
+  content::kChromeUIPpapiFlashHangURL
 };
 const int kNumberOfChromeDebugURLs =
     static_cast<int>(arraysize(kChromeDebugURLs));