[Blimp client] Move client code into blimp::client namespace

blimp/client/compositor/blimp_compositor.cc

Index: blimp/client/compositor/blimp_compositor.cc
diff --git a/blimp/client/compositor/blimp_compositor.cc b/blimp/client/compositor/blimp_compositor.cc
index 107ac26b014c306e2669343efcc73b3e6038061b..6fdbe346f2a9d4dea28d9c5086b670c152df5dbd 100644
--- a/blimp/client/compositor/blimp_compositor.cc
+++ b/blimp/client/compositor/blimp_compositor.cc
@@ -27,6 +27,8 @@
 #include "net/base/net_errors.h"
 #include "ui/gl/gl_surface.h"
 
+namespace blimp {
+namespace client {
 namespace {
 
 base::LazyInstance<blimp::BlimpTaskGraphRunner> g_task_graph_runner =
@@ -36,13 +38,11 @@ const int kDummyTabId = 0;
 
 // TODO(dtrainor): Replace this when Layer content comes from the server (see
 // crbug.com/527200 for details).
-base::LazyInstance<blimp::DummyLayerDriver> g_dummy_layer_driver =
+base::LazyInstance<DummyLayerDriver> g_dummy_layer_driver =
     LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
-namespace blimp {
-
 BlimpCompositor::BlimpCompositor(float dp_to_px,
                                  RenderWidgetFeature* render_widget_feature)
     : device_scale_factor_(dp_to_px),
@@ -319,4 +319,5 @@ cc::LayerSettings BlimpCompositor::LayerSettings() {
   return settings;
 }
 
+}  // namespace client
 }  // namespace blimp