Inform GetEntropySource of whether or not metrics reporting will be enabled.

chrome/browser/metrics/metrics_service_browsertest.cc

Index: chrome/browser/metrics/metrics_service_browsertest.cc
diff --git a/chrome/browser/metrics/metrics_service_browsertest.cc b/chrome/browser/metrics/metrics_service_browsertest.cc
index d6fb86e376433118a309286966985e8f43270cd5..be221ae68efcbeb1b45978af45980b355d872ea8 100644
--- a/chrome/browser/metrics/metrics_service_browsertest.cc
+++ b/chrome/browser/metrics/metrics_service_browsertest.cc
@@ -11,6 +11,7 @@
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
@@ -56,6 +57,14 @@ class MetricsServiceTest : public InProcessBrowserTest {
   }
 };
 
+class MetricsServiceReportingTest : public InProcessBrowserTest {
+ public:
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    // Enable the metrics service for testing (in the full mode).
+    command_line->AppendSwitch(switches::kEnableMetricsReportingForTesting);
+  }
+};
+
 IN_PROC_BROWSER_TEST_F(MetricsServiceTest, CloseRenderersNormally) {
   OpenTabs();
 
@@ -104,3 +113,21 @@ IN_PROC_BROWSER_TEST_F(MetricsServiceTest, MAYBE_CrashRenderers) {
   // is set to true, but this preference isn't set until the browser
   // exits... it's not clear to me how to test that.
 }
+
+IN_PROC_BROWSER_TEST_F(MetricsServiceTest, CheckLowEntropySourceUsed) {
+  // Since MetricsService is only in recording mode, and is not reporting,
+  // check that the low entropy source is returned at some point.
+  ASSERT_TRUE(g_browser_process->metrics_service());
+  EXPECT_EQ(MetricsService::LAST_ENTROPY_LOW,
+            g_browser_process->metrics_service()->entropy_source_returned());
+}
+
+IN_PROC_BROWSER_TEST_F(MetricsServiceReportingTest,
+                       CheckHighEntropySourceUsed) {
+  // Since the full metrics service runs in this test, we expect that
+  // MetricsService returns the full entropy source at some point during
+  // BrowserMain startup.
+  ASSERT_TRUE(g_browser_process->metrics_service());
+  EXPECT_EQ(MetricsService::LAST_ENTROPY_HIGH,
+            g_browser_process->metrics_service()->entropy_source_returned());
+}