Revert of [Reland] Enable AutoResize for Constrained Web Dialogs for Mac.

chrome/browser/ui/cocoa/constrained_web_dialog_delegate_mac.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/constrained_web_dialog_delegate_base.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/macros.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_window.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_web_dialog_sheet.h"
-#include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
-#include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_observer.h"
-#include "ui/base/cocoa/window_size_constants.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 #include "ui/web_dialogs/web_dialog_ui.h"
 #include "ui/web_dialogs/web_dialog_web_contents_delegate.h"
 
 using content::WebContents;
 using ui::WebDialogDelegate;
 using ui::WebDialogWebContentsDelegate;
 
 namespace {
 
-class ConstrainedWebDialogDelegateMac;
-
-// This class is to trigger a resize to the dialog window when
-// ResizeDueToAutoResize() is invoked.
-class WebDialogWebContentsDelegateMac
-    : public ui::WebDialogWebContentsDelegate {
- public:
-  WebDialogWebContentsDelegateMac(content::BrowserContext* browser_context,
-                                  content::WebContentsObserver* observer,
-                                  ConstrainedWebDialogDelegateBase* delegate)
-      : ui::WebDialogWebContentsDelegate(browser_context,
-                                         new ChromeWebContentsHandler()),
-        observer_(observer),
-        delegate_(delegate) {
-  }
-  ~WebDialogWebContentsDelegateMac() override {}
-
-  void ResizeDueToAutoResize(content::WebContents* source,
-                             const gfx::Size& preferred_size) override {
-    if (!observer_->web_contents())
-      return;
-    delegate_->ResizeToGivenSize(preferred_size);
-  }
-
- private:
-  // These members must outlive the instance.
-  content::WebContentsObserver* const observer_;
-  ConstrainedWebDialogDelegateBase* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebDialogWebContentsDelegateMac);
-};
-
 class ConstrainedWebDialogDelegateMac
     : public ConstrainedWebDialogDelegateBase {
  public:
   ConstrainedWebDialogDelegateMac(
       content::BrowserContext* browser_context,
-      WebDialogDelegate* delegate,
-      content::WebContentsObserver* observer)
-      : ConstrainedWebDialogDelegateBase(browser_context, delegate,
-          new WebDialogWebContentsDelegateMac(browser_context, observer,
-                                              this)) {}
+      WebDialogDelegate* delegate)
+      : ConstrainedWebDialogDelegateBase(browser_context, delegate, NULL) {}
 
   // WebDialogWebContentsDelegate interface.
   void CloseContents(WebContents* source) override {
     window_->CloseWebContentsModalDialog();
   }
 
-  // ConstrainedWebDialogDelegateBase:
-  void ResizeToGivenSize(const gfx::Size size) override {
-    NSSize updated_preferred_size = NSMakeSize(size.width(),
-                                               size.height());
-    [window_->sheet() resizeWithNewSize:updated_preferred_size];
-  }
-
   void set_window(ConstrainedWindowMac* window) { window_ = window; }
   ConstrainedWindowMac* window() const { return window_; }
 
  private:
   // Weak, owned by ConstrainedWebDialogDelegateViewMac.
   ConstrainedWindowMac* window_;
 
   DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateMac);
 };
 
 }  // namespace
 
 class ConstrainedWebDialogDelegateViewMac :
     public ConstrainedWindowMacDelegate,
-    public ConstrainedWebDialogDelegate,
-    public content::WebContentsObserver {
+    public ConstrainedWebDialogDelegate {
 
  public:
   ConstrainedWebDialogDelegateViewMac(
       content::BrowserContext* browser_context,
       WebDialogDelegate* delegate,
-      content::WebContents* web_contents,
-      const gfx::Size& min_size,
-      const gfx::Size& max_size);
+      content::WebContents* web_contents);
   ~ConstrainedWebDialogDelegateViewMac() override {}
 
   // ConstrainedWebDialogDelegate interface
   const WebDialogDelegate* GetWebDialogDelegate() const override {
     return impl_->GetWebDialogDelegate();
   }
   WebDialogDelegate* GetWebDialogDelegate() override {
     return impl_->GetWebDialogDelegate();
   }
   void OnDialogCloseFromWebUI() override {
     return impl_->OnDialogCloseFromWebUI();
   }
   void ReleaseWebContentsOnDialogClose() override {
     return impl_->ReleaseWebContentsOnDialogClose();
   }
   gfx::NativeWindow GetNativeDialog() override { return window_; }
   WebContents* GetWebContents() override { return impl_->GetWebContents(); }
   gfx::Size GetMinimumSize() const override {
-    return min_size_;
+    NOTIMPLEMENTED();
+    return gfx::Size();
   }
   gfx::Size GetMaximumSize() const override {
-    return max_size_;
+    NOTIMPLEMENTED();
+    return gfx::Size();
   }
   gfx::Size GetPreferredSize() const override {
-    gfx::Size size;
-    if (!impl_->closed_via_webui()) {
-      NSRect frame = [window_ frame];
-      size = gfx::Size(frame.size.width, frame.size.height);
-    }
-    return size;
-  }
-
-  // content::WebContentsObserver:
-  void RenderViewCreated(content::RenderViewHost* render_view_host) override {
-    if (IsDialogAutoResizable())
-      EnableAutoResize();
-  }
-  void RenderViewHostChanged(content::RenderViewHost* old_host,
-                             content::RenderViewHost* new_host) override {
-    if (IsDialogAutoResizable())
-      EnableAutoResize();
-  }
-  void DocumentOnLoadCompletedInMainFrame() override {
-    if (!IsDialogAutoResizable())
-      return;
-
-    EnableAutoResize();
-    if (GetWebContents())
-      constrained_window_->ShowWebContentsModalDialog();
+    NOTIMPLEMENTED();
+    return gfx::Size();
   }
 
   // ConstrainedWindowMacDelegate interface
   void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override {
     if (!impl_->closed_via_webui())
       GetWebDialogDelegate()->OnDialogClosed("");
     delete this;
   }
 
  private:
-  void EnableAutoResize() {
-    if (!GetWebContents())
-      return;
-
-    content::RenderViewHost* render_view_host =
-        GetWebContents()->GetRenderViewHost();
-    render_view_host->EnableAutoResize(min_size_, max_size_);
-  }
-
-  // Whether or not the dialog is autoresizable is determined based on whether
-  // |max_size_| was specified.
-  bool IsDialogAutoResizable() {
-    return !max_size_.IsEmpty();
-  }
-
   scoped_ptr<ConstrainedWebDialogDelegateMac> impl_;
-  std::unique_ptr<ConstrainedWindowMac> constrained_window_;
+  scoped_ptr<ConstrainedWindowMac> constrained_window_;
   base::scoped_nsobject<NSWindow> window_;
 
-  // Minimum and maximum sizes to determine dialog bounds for auto-resizing.
-  const gfx::Size min_size_;
-  const gfx::Size max_size_;
-
   DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateViewMac);
 };
 
 ConstrainedWebDialogDelegateViewMac::ConstrainedWebDialogDelegateViewMac(
     content::BrowserContext* browser_context,
     WebDialogDelegate* delegate,
-    content::WebContents* web_contents,
-    const gfx::Size& min_size,
-    const gfx::Size& max_size)
-    : content::WebContentsObserver(web_contents),
-      impl_(new ConstrainedWebDialogDelegateMac(browser_context, delegate,
-            this)),
-      min_size_(min_size),
-      max_size_(max_size) {
-  if (IsDialogAutoResizable())
-    Observe(GetWebContents());
-
+    content::WebContents* web_contents)
+    : impl_(new ConstrainedWebDialogDelegateMac(browser_context, delegate)) {
   // Create a window to hold web_contents in the constrained sheet:
   gfx::Size size;
   delegate->GetDialogSize(&size);
   NSRect frame = NSMakeRect(0, 0, size.width(), size.height());
 
-  window_.reset([[ConstrainedWindowCustomWindow alloc]
-                initWithContentRect:ui::kWindowSizeDeterminedLater]);
+  window_.reset(
+      [[ConstrainedWindowCustomWindow alloc] initWithContentRect:frame]);
   [GetWebContents()->GetNativeView() setFrame:frame];
   [GetWebContents()->GetNativeView() setAutoresizingMask:
       NSViewWidthSizable|NSViewHeightSizable];
   [[window_ contentView] addSubview:GetWebContents()->GetNativeView()];
 
   base::scoped_nsobject<WebDialogConstrainedWindowSheet> sheet(
       [[WebDialogConstrainedWindowSheet alloc] initWithCustomWindow:window_
                                                   webDialogDelegate:delegate]);
-
-  if (IsDialogAutoResizable()) {
-    constrained_window_ = CreateWebModalDialogMac(
-          this, web_contents, sheet);
-  } else {
-    constrained_window_ = CreateAndShowWebModalDialogMac(
-          this, web_contents, sheet);
-  }
+  constrained_window_.reset(new ConstrainedWindowMac(
+      this, web_contents, sheet));
 
   impl_->set_window(constrained_window_.get());
 }
 
 ConstrainedWebDialogDelegate* ShowConstrainedWebDialog(
         content::BrowserContext* browser_context,
         WebDialogDelegate* delegate,
         content::WebContents* web_contents) {
   // Deleted when the dialog closes.
   ConstrainedWebDialogDelegateViewMac* constrained_delegate =
       new ConstrainedWebDialogDelegateViewMac(
-          browser_context, delegate, web_contents,
-          gfx::Size(), gfx::Size());
+          browser_context, delegate, web_contents);
   return constrained_delegate;
 }
-
-ConstrainedWebDialogDelegate* ShowConstrainedWebDialogWithAutoResize(
-    content::BrowserContext* browser_context,
-    WebDialogDelegate* delegate,
-    content::WebContents* web_contents,
-    const gfx::Size& min_size,
-    const gfx::Size& max_size) {
-  DCHECK(!min_size.IsEmpty());
-  DCHECK(!max_size.IsEmpty());
-  // Deleted when the dialog closes.
-  ConstrainedWebDialogDelegateViewMac* constrained_delegate =
-      new ConstrainedWebDialogDelegateViewMac(
-          browser_context, delegate, web_contents,
-          min_size, max_size);
-  return constrained_delegate;
-}