Extract MonitorInfoProvider from WindowSizer.

chrome/browser/ui/window_sizer_unittest.cc

Index: chrome/browser/ui/window_sizer_unittest.cc
diff --git a/chrome/browser/ui/window_sizer_unittest.cc b/chrome/browser/ui/window_sizer_unittest.cc
index ab94b40139b0796ed1da3d89c41b6068e4139e71..f0a5eddac44a82a7147d5b2ed1135426843b9c72 100644
--- a/chrome/browser/ui/window_sizer_unittest.cc
+++ b/chrome/browser/ui/window_sizer_unittest.cc
@@ -8,6 +8,7 @@
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
+#include "chrome/browser/ui/monitor_info_provider.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 // Some standard monitor sizes (no task bar).
@@ -43,7 +44,7 @@ static int kWindowTilePixels = WindowSizer::kWindowTilePixels;
 
 // Testing implementation of WindowSizer::MonitorInfoProvider that we can use
 // to fake various monitor layouts and sizes.
-class TestMonitorInfoProvider : public WindowSizer::MonitorInfoProvider {
+class TestMonitorInfoProvider : public MonitorInfoProvider {
  public:
   TestMonitorInfoProvider() {}
   virtual ~TestMonitorInfoProvider() {}
@@ -54,7 +55,7 @@ class TestMonitorInfoProvider : public WindowSizer::MonitorInfoProvider {
     work_areas_.push_back(work_area);
   }
 
-  // Overridden from WindowSizer::MonitorInfoProvider:
+  // Overridden from MonitorInfoProvider:
   virtual gfx::Rect GetPrimaryMonitorWorkArea() const OVERRIDE {
     return work_areas_[0];
   }