[DevTools] Use special resizing strategy instead of insets.

chrome/browser/devtools/devtools_window.cc

Index: chrome/browser/devtools/devtools_window.cc
diff --git a/chrome/browser/devtools/devtools_window.cc b/chrome/browser/devtools/devtools_window.cc
index f64a8f213db2db2c11106a15445dd369e2a8c8d5..51589fc165b654e889abaacee8bed5076dcd06fb 100644
--- a/chrome/browser/devtools/devtools_window.cc
+++ b/chrome/browser/devtools/devtools_window.cc
@@ -492,8 +492,9 @@ content::RenderViewHost* DevToolsWindow::GetRenderViewHost() {
   return web_contents_->GetRenderViewHost();
 }
 
-gfx::Insets DevToolsWindow::GetContentsInsets() const {
-  return contents_insets_;
+const DevToolsContentsResizingStrategy&
+DevToolsWindow::GetContentsResizingStrategy() const {
+  return contents_resizing_strategy_;
 }
 
 gfx::Size DevToolsWindow::GetMinimumSize() const {
@@ -997,14 +998,17 @@ void DevToolsWindow::CloseWindow() {
 
 void DevToolsWindow::SetContentsInsets(
     int top, int left, int bottom, int right) {
-  if (contents_insets_.top() == top &&
-      contents_insets_.left() == left &&
-      contents_insets_.bottom() == bottom &&
-      contents_insets_.right() == right) {
+  DevToolsContentsResizingStrategy strategy = contents_resizing_strategy_;
+  strategy.insets = gfx::Insets(top, left, bottom, right);
+  SetContentsResizingStrategy(strategy);
+}
+
+void DevToolsWindow::SetContentsResizingStrategy(
+    const DevToolsContentsResizingStrategy& strategy) {
+  if (contents_resizing_strategy_ == strategy)
     return;
-  }
 
-  contents_insets_ = gfx::Insets(top, left, bottom, right);
+  contents_resizing_strategy_ = strategy;
   if (is_docked_) {
     // Update inspected window.
     BrowserWindow* inspected_window = GetInspectedBrowserWindow();