moved form registration code to Reflow instead of GetPrefSize, it wasn't being called correctly when wi/h was being set via style

b=45846 r=kin

layout/html/forms/src/nsGfxTextControlFrame2.cpp

@@ -1766,6 +1766,25 @@ nsGfxTextControlFrame2::CreateAnonymousContent(nsIPresContext* aPresContext,
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsGfxTextControlFrame2::Reflow(nsIPresContext*   aPresContext,
+                               nsHTMLReflowMetrics&     aDesiredSize,
+                               const nsHTMLReflowState& aReflowState,
+                               nsReflowStatus&          aStatus)
+{
+  DO_GLOBAL_REFLOW_COUNT("nsGfxTextControlFrame2", aReflowState.reason);
+
+  // make sure the the form registers itself on the initial/first reflow
+  if (mState & NS_FRAME_FIRST_REFLOW) {
+    nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_TRUE);
+    nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
+    mNotifyOnInput = PR_TRUE;//its ok to notify now. all has been prepared.
+  }
+
+  return nsStackFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
+}
+
+
 NS_IMETHODIMP
 nsGfxTextControlFrame2::GetPrefSize(nsBoxLayoutState& aState, nsSize& aSize)
 {
@@ -1797,13 +1816,6 @@ nsGfxTextControlFrame2::GetPrefSize(nsBoxLayoutState& aState, nsSize& aSize)
   if (!aReflowState)
     return NS_OK;
 
-  if (mState & NS_FRAME_FIRST_REFLOW)
-  {
-    nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_TRUE);
-    nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
-    mNotifyOnInput = PR_TRUE;//its ok to notify now. all has been prepared.
-  }
-
   nsCompatibility mode;
   aPresContext->GetCompatibilityMode(&mode); 
   PRBool navQuirksMode = eCompatibility_NavQuirks == mode && nameSpaceID == kNameSpaceID_HTML;

layout/html/forms/src/nsGfxTextControlFrame2.h

@@ -61,6 +61,11 @@ public:
 
   NS_IMETHOD Destroy(nsIPresContext* aPresContext);//remove yourself as a form control
 
+  NS_IMETHOD Reflow(nsIPresContext*          aPresContext,
+                    nsHTMLReflowMetrics&     aDesiredSize,
+                    const nsHTMLReflowState& aReflowState,
+                    nsReflowStatus&          aStatus);
+
   NS_IMETHOD GetPrefSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
   NS_IMETHOD GetMinSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);
   NS_IMETHOD GetMaxSize(nsBoxLayoutState& aBoxLayoutState, nsSize& aSize);