added base url accessor

layout/base/nsPresContext.h

@@ -38,6 +38,7 @@ class nsIStyleContext;
 class nsIAtom;
 class nsString;
 class nsIEventStateManager;
+class nsIURL;
 
 #define NS_IPRESCONTEXT_IID   \
 { 0x0a5d12e0, 0x944e, 0x11d1, \
@@ -79,6 +80,11 @@ public:
   NS_IMETHOD GetCompatibilityMode(nsCompatibility& aMode) = 0;
   NS_IMETHOD SetCompatibilityMode(nsCompatibility aMode) = 0;
 
+  /** 
+   * Get base url for presentation
+   */
+  NS_IMETHOD GetBaseURL(nsIURL*& aURL) = 0;
+
   /**
    * Resolve style for the given piece of content that will be a child
    * of the aParentFrame frame. Don't use this for pseudo frames.

layout/base/public/nsIPresContext.h

@@ -38,6 +38,7 @@ class nsIStyleContext;
 class nsIAtom;
 class nsString;
 class nsIEventStateManager;
+class nsIURL;
 
 #define NS_IPRESCONTEXT_IID   \
 { 0x0a5d12e0, 0x944e, 0x11d1, \
@@ -79,6 +80,11 @@ public:
   NS_IMETHOD GetCompatibilityMode(nsCompatibility& aMode) = 0;
   NS_IMETHOD SetCompatibilityMode(nsCompatibility aMode) = 0;
 
+  /** 
+   * Get base url for presentation
+   */
+  NS_IMETHOD GetBaseURL(nsIURL*& aURL) = 0;
+
   /**
    * Resolve style for the given piece of content that will be a child
    * of the aParentFrame frame. Don't use this for pseudo frames.

layout/base/public/nsPresContext.h

@@ -38,6 +38,7 @@ class nsIStyleContext;
 class nsIAtom;
 class nsString;
 class nsIEventStateManager;
+class nsIURL;
 
 #define NS_IPRESCONTEXT_IID   \
 { 0x0a5d12e0, 0x944e, 0x11d1, \
@@ -79,6 +80,11 @@ public:
   NS_IMETHOD GetCompatibilityMode(nsCompatibility& aMode) = 0;
   NS_IMETHOD SetCompatibilityMode(nsCompatibility aMode) = 0;
 
+  /** 
+   * Get base url for presentation
+   */
+  NS_IMETHOD GetBaseURL(nsIURL*& aURL) = 0;
+
   /**
    * Resolve style for the given piece of content that will be a child
    * of the aParentFrame frame. Don't use this for pseudo frames.