share dm and command flags

experimental/SimpleiOSApp/SimpleApp.mm

+#include "SkApplication.h"
 #import "SkCanvas.h"
 #import "SkPaint.h"
 #import "SkWindow.h"
 #include "SkGraphics.h"
 #include "SkCGUtils.h"
 
-extern void tool_main(int argc, char *argv[]);
-extern bool set_cmd_line_args(int argc, char *argv[], const char* dir);
+void dummy_main(int , char *[]) {
+}
 
 class SkSampleView : public SkView {
 public:
     SkSampleView() {
         this->setVisibleP(true);
         this->setClipToBounds(false);
     };
 protected:
     virtual void onDraw(SkCanvas* canvas) {
         canvas->drawColor(0xFFFFFFFF);
@@ skipping 15 matching lines @@
 }
 
 void application_term() {
     SkGraphics::Term();
     SkEvent::Term();
 }
 
 int saved_argc;
 char** saved_argv;
 
-bool set_cmd_line_args(int argc, char *argv[], const char* ) {
+IOS_launch_type set_cmd_line_args(int argc, char *argv[], const char* ) {
     saved_argc = argc;
     saved_argv = argv;
-    return true;
+    return kTool_iOSLaunchType;
 }
 
 class FillLayout : public SkView::Layout {
 protected:
     virtual void onLayoutChildren(SkView* parent) {
         SkView* view = SkView::F2BIter(parent).next();
         view->setSize(parent->width(), parent->height());
     }
 };
 
 #import "SimpleApp.h"
 @implementation SimpleApp
 
 - (id)initWithDefaults {
-    (void) tool_main(saved_argc, saved_argv);
+    dummy_main(saved_argc, saved_argv);
     if (self = [super initWithDefaults]) {
         fWind = new SkOSWindow(self);
         fWind->setLayout(new FillLayout, false);
         fWind->attachChildToFront(new SkSampleView)->unref();
     }
     return self;
 }
 
 @end