Chrome diagnostics: First cut at implementing chrome://diagnostics.

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 7b24d465299cab0c9d4212e585dec4e90cdff620..2635b77db1aab8b3cf89a9d4ee9d74d98bfc0bd2 100644
--- a/chrome/common/url_constants.cc
+++ b/chrome/common/url_constants.cc
@@ -80,6 +80,7 @@ const char kChromeUIVersionURL[] = "chrome://version/";
 const char kChromeUIActivationMessage[] = "chrome://activationmessage/";
 const char kChromeUIChooseMobileNetworkURL[] =
     "chrome://choose-mobile-network/";
+const char kChromeUIDiagnosticsURL[] = "chrome://diagnostics/";
 const char kChromeUIDiscardsURL[] = "chrome://discards/";
 const char kChromeUIIdleLogoutDialogURL[] = "chrome://idle-logout/";
 const char kChromeUIImageBurnerURL[] = "chrome://imageburner/";
@@ -213,6 +214,7 @@ const char kChromeUISandboxHost[] = "sandbox";
 const char kChromeUIActivationMessageHost[] = "activationmessage";
 const char kChromeUIChooseMobileNetworkHost[] = "choose-mobile-network";
 const char kChromeUICryptohomeHost[] = "cryptohome";
+const char kChromeUIDiagnosticsHost[] = "diagnostics";
 const char kChromeUIDiscardsHost[] = "discards";
 const char kChromeUIIdleLogoutDialogHost[] = "idle-logout";
 const char kChromeUIImageBurnerHost[] = "imageburner";