Fix the Extensions.Permissions_InstallCancel histogram.

chrome/browser/extensions/extension_webstore_private_api.cc

Index: chrome/browser/extensions/extension_webstore_private_api.cc
diff --git a/chrome/browser/extensions/extension_webstore_private_api.cc b/chrome/browser/extensions/extension_webstore_private_api.cc
index eb3c993ff2bbc69cb1771df663bb528c4b3a1e3a..4fe40ed4e507add5755e66ace49d2e064616a8e5 100644
--- a/chrome/browser/extensions/extension_webstore_private_api.cc
+++ b/chrome/browser/extensions/extension_webstore_private_api.cc
@@ -454,6 +454,12 @@ void BeginInstallWithManifestFunction::InstallUIProceed() {
   SetResult(ERROR_NONE);
   SendResponse(true);
 
+  // The Permissions_Install histogram is recorded from the ExtensionService
+  // for all extension installs, so we only need to record the web store
+  // specific histogram here.
+  ExtensionService::RecordPermissionMessagesHistogram(
+      dummy_extension_, "Extensions.Permissions_WebStoreInstall");
+
   // Matches the AddRef in RunImpl().
   Release();
 }
@@ -463,6 +469,21 @@ void BeginInstallWithManifestFunction::InstallUIAbort(bool user_initiated) {
   SetResult(USER_CANCELLED);
   SendResponse(false);
 
+  // The web store install histograms are a subset of the install histograms.
+  // We need to record both histograms here since CrxInstaller::InstallUIAbort
+  // is never called for web store install cancellations
+  std::string histogram_name = user_initiated ?
+      "Extensions.Permissions_WebStoreInstallCancel" :
+      "Extensions.Permissions_WebStoreInstallAbort";
+  ExtensionService::RecordPermissionMessagesHistogram(
+      dummy_extension_, histogram_name.c_str());
+
+  histogram_name = user_initiated ?
+      "Extensions.Permissions_InstallCancel" :
+      "Extensions.Permissions_InstallAbort";
+  ExtensionService::RecordPermissionMessagesHistogram(
+      dummy_extension_, histogram_name.c_str());
+
   // Matches the AddRef in RunImpl().
   Release();
 }