Switch platform apps from a declarative launch container to handling an onLaunched event.

chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm

Index: chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm b/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
index 229e7a4deb98f3897ba8ba17bf4a4d368d43634e..d21cb0e3c94f2b21248303482fe7df66dba7c329 100644
--- a/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm
@@ -25,9 +25,7 @@ ShellWindowCocoa::ShellWindowCocoa(ExtensionHost* host)
     : ShellWindow(host),
       attention_request_id_(0) {
   // TOOD(mihaip): Restore prior window dimensions and positions on relaunch.
-  NSRect rect = NSZeroRect;
-  rect.size.width = host_->extension()->launch_width();
-  rect.size.height = host_->extension()->launch_height();
+  NSRect rect = NSMakeRect(0, 0, 512, 384);
   NSUInteger styleMask = NSTitledWindowMask | NSClosableWindowMask |
                          NSMiniaturizableWindowMask | NSResizableWindowMask;
   scoped_nsobject<NSWindow> window(
@@ -36,9 +34,6 @@ ShellWindowCocoa::ShellWindowCocoa(ExtensionHost* host)
                                     backing:NSBackingStoreBuffered
                                       defer:NO]);
   [window setTitle:base::SysUTF8ToNSString(host->extension()->name())];
-  [window setContentMinSize:
-      NSMakeSize(host_->extension()->launch_min_width(),
-                 host_->extension()->launch_min_height())];
 
   NSView* view = host->view()->native_view();
   [view setFrame:rect];