Move MessageLoop to base namespace.

This adds a "using" to the header to avoid having to update everything at once. However, all forward declares and the locations that use the forward declares need to be updated (since they don't see the using in message_loop.h).

BUG=

Review URL: https://codereview.chromium.org/13243003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@191566 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 7 insertions, 5 deletions

diff --git a/chrome/browser/printing/print_job_worker_owner.h b/chrome/browser/printing/print_job_worker_owner.h
index 7224fd3..8f9f585 100644
--- a/chrome/browser/printing/print_job_worker_owner.h
+++ b/chrome/browser/printing/print_job_worker_owner.h
@@ -8,7 +8,10 @@
 #include "base/memory/ref_counted.h"
 #include "printing/printing_context.h"
 
+namespace base {
 class MessageLoop;
+}
+
 
 namespace printing {
 
@@ -28,7 +31,7 @@ class PrintJobWorkerOwner
   virtual PrintJobWorker* DetachWorker(PrintJobWorkerOwner* new_owner) = 0;
 
   // Retrieves the message loop that is expected to process GetSettingsDone.
-  virtual MessageLoop* message_loop() = 0;
+  virtual base::MessageLoop* message_loop() = 0;
 
   // Access the current settings.
   virtual const PrintSettings& settings() const = 0;
diff --git a/chrome/browser/printing/printer_query.h b/chrome/browser/printing/printer_query.h
index 80545c7..3256a91 100644
--- a/chrome/browser/printing/printer_query.h
+++ b/chrome/browser/printing/printer_query.h
@@ -12,10 +12,9 @@
 #include "printing/print_job_constants.h"
 #include "ui/gfx/native_widget_types.h"
 
-class MessageLoop;
-
 namespace base {
 class DictionaryValue;
+class MessageLoop;
 }
 
 namespace printing {
@@ -38,7 +37,7 @@ class PrinterQuery : public PrintJobWorkerOwner {
   virtual void GetSettingsDone(const PrintSettings& new_settings,
                                PrintingContext::Result result) OVERRIDE;
   virtual PrintJobWorker* DetachWorker(PrintJobWorkerOwner* new_owner) OVERRIDE;
-  virtual MessageLoop* message_loop() OVERRIDE;
+  virtual base::MessageLoop* message_loop() OVERRIDE;
   virtual const PrintSettings& settings() const OVERRIDE;
   virtual int cookie() const OVERRIDE;
 
@@ -79,7 +78,7 @@ class PrinterQuery : public PrintJobWorkerOwner {
 
   // Main message loop reference. Used to send notifications in the right
   // thread.
-  MessageLoop* const io_message_loop_;
+  base::MessageLoop* const io_message_loop_;
 
   // All the UI is done in a worker thread because many Win32 print functions
   // are blocking and enters a message loop without your consent. There is one