fix: unused variable warnings in linux code (#12950)

atom/browser/ui/views/frameless_view.cc

@@ -17,10 +17,11 @@ namespace {
 const int kResizeInsideBoundsSize = 5;
 const int kResizeAreaCornerSize = 16;
 
-const char kViewClassName[] = "FramelessView";
-
 }  // namespace
 
+// static
+const char FramelessView::kViewClassName[] = "FramelessView";
+
 FramelessView::FramelessView() : window_(NULL), frame_(NULL) {}
 
 FramelessView::~FramelessView() {}

atom/browser/ui/views/frameless_view.h

@@ -17,6 +17,7 @@ class NativeWindowViews;
 
 class FramelessView : public views::NonClientFrameView {
  public:
+  static const char kViewClassName[];
   FramelessView();
   ~FramelessView() override;
 

atom/browser/ui/views/menu_bar.cc

@@ -18,13 +18,13 @@ namespace atom {
 
 namespace {
 
-const char kViewClassName[] = "ElectronMenuBar";
-
 // Default color of the menu bar.
 const SkColor kDefaultColor = SkColorSetARGB(255, 233, 233, 233);
 
 }  // namespace
 
+const char MenuBar::kViewClassName[] = "ElectronMenuBar";
+
 MenuBar::MenuBar(views::View* window)
     : background_color_(kDefaultColor), menu_model_(NULL), window_(window) {
   RefreshColorCache();

atom/browser/ui/views/menu_bar.h

@@ -22,6 +22,8 @@ class MenuBar : public views::View,
                 public views::MenuButtonListener,
                 public views::FocusChangeListener {
  public:
+  static const char kViewClassName[];
+
   explicit MenuBar(views::View* window);
   virtual ~MenuBar();
 

atom/browser/ui/views/native_frame_view.cc

@@ -8,11 +8,7 @@
 
 namespace atom {
 
-namespace {
-
-const char kViewClassName[] = "AtomNativeFrameView";
-
-}  // namespace
+const char NativeFrameView::kViewClassName[] = "AtomNativeFrameView";
 
 NativeFrameView::NativeFrameView(NativeWindow* window, views::Widget* widget)
     : views::NativeFrameView(widget), window_(window) {}

atom/browser/ui/views/native_frame_view.h

@@ -15,6 +15,7 @@ class NativeWindow;
 // NativeWindowViews.
 class NativeFrameView : public views::NativeFrameView {
  public:
+  static const char kViewClassName[];
   NativeFrameView(NativeWindow* window, views::Widget* widget);
 
  protected:

atom/browser/ui/x/window_state_watcher.cc

@@ -11,15 +11,6 @@
 
 namespace atom {
 
-namespace {
-
-const char* kAtomsToCache[] = {
-    "_NET_WM_STATE",
-    NULL,
-};
-
-}  // namespace
-
 WindowStateWatcher::WindowStateWatcher(NativeWindowViews* window)
     : window_(window),
       widget_(window->GetAcceleratedWidget()),

atom/common/crash_reporter/crash_reporter_linux.cc

@@ -28,8 +28,6 @@ namespace crash_reporter {
 
 namespace {
 
-static const size_t kDistroSize = 128;
-
 // Define a preferred limit on minidump sizes, because Crash Server currently
 // throws away any larger than 1.2MB (1.2 * 1024 * 1024).  A value of -1 means
 // no limit.