Add BlimpView to a Chrome tab when Blimp is enabled.

blimp/client/app/android/blimp_view.cc

Index: blimp/client/app/android/blimp_view.cc
diff --git a/blimp/client/app/android/blimp_view.cc b/blimp/client/app/android/blimp_view.cc
index af1667ee6c017be318676adea473fd71afd1dd73..ac20a0b858de55a099c173f346111a228fd3358a 100644
--- a/blimp/client/app/android/blimp_view.cc
+++ b/blimp/client/app/android/blimp_view.cc
@@ -16,6 +16,7 @@ using base::android::JavaParamRef;
 
 namespace blimp {
 namespace client {
+namespace app {
 
 static jlong Init(JNIEnv* env,
                   const JavaParamRef<jobject>& jobj,
@@ -48,7 +49,7 @@ BlimpView::BlimpView(JNIEnv* env,
                      const gfx::Size& real_size,
                      const gfx::Size& size,
                      float dp_to_px,
-                     RenderWidgetFeature* render_widget_feature)
+                     blimp::client::RenderWidgetFeature* render_widget_feature)
     : device_scale_factor_(dp_to_px),
       compositor_(base::MakeUnique<BrowserCompositor>()),
       current_surface_format_(0),
@@ -194,5 +195,6 @@ void BlimpView::OnSwapBuffersCompleted() {
   Java_BlimpView_onSwapBuffersCompleted(env, java_obj_);
 }
 
+}  // namespace app
 }  // namespace client
 }  // namespace blimp