[DevTools] Pass inspected page bounds from frontend.

chrome/browser/devtools/devtools_contents_resizing_strategy.h

Index: chrome/browser/devtools/devtools_contents_resizing_strategy.h
diff --git a/chrome/browser/devtools/devtools_contents_resizing_strategy.h b/chrome/browser/devtools/devtools_contents_resizing_strategy.h
index e3767fd6e95ca8c1977f3c896cfff1b03c00e550..a1e687cdd42089bdc2506c93d18f3b82755c7d77 100644
--- a/chrome/browser/devtools/devtools_contents_resizing_strategy.h
+++ b/chrome/browser/devtools/devtools_contents_resizing_strategy.h
@@ -18,12 +18,14 @@ class DevToolsContentsResizingStrategy {
   DevToolsContentsResizingStrategy(
       const gfx::Insets& insets,
       const gfx::Size& min_size);
+  explicit DevToolsContentsResizingStrategy(const gfx::Rect& bounds);
 
   void CopyFrom(const DevToolsContentsResizingStrategy& strategy);
   bool Equals(const DevToolsContentsResizingStrategy& strategy);
 
   const gfx::Insets& insets() const { return insets_; }
   const gfx::Size& min_size() const { return min_size_; }
+  const gfx::Rect& bounds() const { return bounds_; }
 
  private:
   // Insets of contents inside DevTools.
@@ -32,6 +34,9 @@ class DevToolsContentsResizingStrategy {
   // Minimum size of contents.
   gfx::Size min_size_;
 
+  // Contents bounds. When non-empty, used instead of insets.
+  gfx::Rect bounds_;
+
   DISALLOW_COPY_AND_ASSIGN(DevToolsContentsResizingStrategy);
 };