Mac: Make devtools window dockable.

chrome/browser/cocoa/browser_window_controller.mm

Index: chrome/browser/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/cocoa/browser_window_controller.mm b/chrome/browser/cocoa/browser_window_controller.mm
index d6bd3da0621a6af8a6c8dbb3bf9fbc4ad062c9ce..0a2f33f64d7b5cf087e4e055239f2d808ab28858 100644
--- a/chrome/browser/cocoa/browser_window_controller.mm
+++ b/chrome/browser/cocoa/browser_window_controller.mm
@@ -38,6 +38,7 @@
 #import "chrome/browser/cocoa/infobar_container_controller.h"
 #import "chrome/browser/cocoa/sad_tab_controller.h"
 #import "chrome/browser/cocoa/status_bubble_mac.h"
+#import "chrome/browser/cocoa/tab_contents_controller.h"
 #import "chrome/browser/cocoa/tab_strip_model_observer_bridge.h"
 #import "chrome/browser/cocoa/tab_strip_view.h"
 #import "chrome/browser/cocoa/tab_strip_controller.h"
@@ -382,6 +383,10 @@ willPositionSheet:(NSWindow*)sheet
   [tabStripController_ removeConstrainedWindow:window];
 }
 
+- (void)updateDevToolsForContents:(TabContents*)contents {
+  [tabStripController_ updateDevToolsForContents:contents];
+}
+
 // Called when the user wants to close a window or from the shutdown process.
 // The Browser object is in control of whether or not we're allowed to close. It
 // may defer closing due to several states, such as onUnload handlers needing to
@@ -874,7 +879,8 @@ willPositionSheet:(NSWindow*)sheet
 // StatusBubble delegate method: tell the status bubble how far above the bottom
 // of the window it should position itself.
 - (float)verticalOffsetForStatusBubble {
-  return verticalOffsetForStatusBubble_;
+  return verticalOffsetForStatusBubble_ +
+         [[tabStripController_ activeTabContentsController] devToolsHeight];
 }
 
 - (GTMWindowSheetController*)sheetController {
@@ -1076,7 +1082,6 @@ willPositionSheet:(NSWindow*)sheet
   return controller;
 }
 
-
 - (void)insertPlaceholderForTab:(TabView*)tab
                           frame:(NSRect)frame
                       yStretchiness:(CGFloat)yStretchiness {