Add Chrome To Mobile metrics reporting.

Add an enum for Chrome To Mobile histogram counts.
Add ChromeToMobileService::LogMetric utility function.
Log metrics for actions of interest (in service and bubbles).

This change depends on the src-internal issue (4270012).

BUG=102709,121005
TEST=New histogram data available for Chrome To Mobile use.

Review URL: http://codereview.chromium.org/10014034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@131792 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 4 insertions, 0 deletions

diff --git a/chrome/browser/ui/cocoa/chrome_to_mobile_bubble_controller.mm b/chrome/browser/ui/cocoa/chrome_to_mobile_bubble_controller.mm
index 8ac3fb6..c816c69 100644
--- a/chrome/browser/ui/cocoa/chrome_to_mobile_bubble_controller.mm
+++ b/chrome/browser/ui/cocoa/chrome_to_mobile_bubble_controller.mm
@@ -95,6 +95,8 @@ void ChromeToMobileBubbleNotificationBridge::OnSendComplete(bool success) {
 
 // Override -[BaseBubbleController showWindow:] to set up UI elements.
 - (void)showWindow:(id)sender {
+  service_->LogMetric(ChromeToMobileService::BUBBLE_SHOWN);
+
   // Force load the NIB.
   NSWindow* window = [self window];
 
@@ -185,10 +187,12 @@ void ChromeToMobileBubbleNotificationBridge::OnSendComplete(bool success) {
   snapshotPath_ = path;
   NSString* text = nil;
   if (bytes > 0) {
+    service_->LogMetric(ChromeToMobileService::SNAPSHOT_GENERATED);
     [sendCopy_ setEnabled:YES];
     text = l10n_util::GetNSStringF(IDS_CHROME_TO_MOBILE_BUBBLE_SEND_COPY,
                                    ui::FormatBytes(bytes));
   } else {
+    service_->LogMetric(ChromeToMobileService::SNAPSHOT_ERROR);
     text = l10n_util::GetNSString(IDS_CHROME_TO_MOBILE_BUBBLE_SEND_COPY_FAILED);
   }
   [sendCopy_ setTitle:text];