Limit the size of extension views on linux....

chrome/browser/gtk/extension_view_gtk.cc

 // Copyright (c) 2009 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/gtk/extension_view_gtk.h"
 
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
 
+namespace {
+
+// The minimum/maximum dimensions of the extension view.
+// The minimum is just a little larger than the size of a browser action button.
+// The maximum is an arbitrary number that should be smaller than most screens.
+const int kMinWidth = 25;
+const int kMinHeight = 25;
+const int kMaxWidth = 800;
+const int kMaxHeight = 600;
+
+}  // namespace
+
 ExtensionViewGtk::ExtensionViewGtk(ExtensionHost* extension_host,
                                    Browser* browser)
-    : is_toolstrip_(false),
-      browser_(browser),
+    : browser_(browser),
       extension_host_(extension_host),
       render_widget_host_view_(NULL) {
 }
 
 void ExtensionViewGtk::Init() {
   CreateWidgetHostView();
 }
 
 gfx::NativeView ExtensionViewGtk::native_view() {
   return render_widget_host_view_->native_view();
 }
 
 RenderViewHost* ExtensionViewGtk::render_view_host() const {
   return extension_host_->render_view_host();
 }
 
 void ExtensionViewGtk::SetBackground(const SkBitmap& background) {
   if (render_view_host()->IsRenderViewLive()) {
     render_widget_host_view_->SetBackground(background);
   } else {
     pending_background_ = background;
   }
 }
 
 void ExtensionViewGtk::UpdatePreferredSize(const gfx::Size& new_size) {
-  // If we are showing in a shelf, then the shelf sets our height.
-  int height = is_toolstrip() ? -1 : new_size.height();
+  int width = std::max(kMinWidth, std::min(kMaxWidth, new_size.width()));
+  int height = std::max(kMinHeight, std::min(kMaxHeight, new_size.height()));
 
-  render_widget_host_view_->SetSize(gfx::Size(new_size.width(), height));
-  gtk_widget_set_size_request(native_view(), new_size.width(), height);
+  render_widget_host_view_->SetSize(gfx::Size(width, height));
+  gtk_widget_set_size_request(native_view(), width, height);
 }
 
 void ExtensionViewGtk::CreateWidgetHostView() {
   DCHECK(!render_widget_host_view_);
   render_widget_host_view_ = new RenderWidgetHostViewGtk(render_view_host());
   render_widget_host_view_->InitAsChild();
 
   extension_host_->CreateRenderViewSoon(render_widget_host_view_);
 }
 
 void ExtensionViewGtk::RenderViewCreated() {
   if (!pending_background_.empty() && render_view_host()->view()) {
     render_widget_host_view_->SetBackground(pending_background_);
     pending_background_.reset();
   }
 }