Move remaining files in content\browser to the content namespace.
Review URL: https://codereview.chromium.org/11340029

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@164828 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/browser/histogram_synchronizer.cc b/content/browser/histogram_synchronizer.cc
index bb90b07..2fd3fea 100644
--- a/content/browser/histogram_synchronizer.cc
+++ b/content/browser/histogram_synchronizer.cc
@@ -165,7 +165,7 @@
       callback_thread_(NULL),
       last_used_sequence_number_(kNeverUsableSequenceNumber),
       async_sequence_number_(kNeverUsableSequenceNumber) {
-  content::HistogramController::GetInstance()->Register(this);
+  HistogramController::GetInstance()->Register(this);
 }
 
 HistogramSynchronizer::~HistogramSynchronizer() {
@@ -239,8 +239,7 @@
   RequestContext::Register(callback, sequence_number);
 
   // Get histogram data from renderer and browser child processes.
-  content::HistogramController::GetInstance()->GetHistogramData(
-      sequence_number);
+  HistogramController::GetInstance()->GetHistogramData(sequence_number);
 
   // Post a task that would be called after waiting for wait_time.  This acts
   // as a watchdog, to cancel the requests for non-responsive processes.